They cancelled the flight because the pilot was sick.
Oxford Essential Dictionary
pilot
noun
a person who flies a plane
Longman Dictionary of Contemporary English
pilot
I. pi‧lot1 W3 /ˈpaɪlət/ BrE AmE noun [countable]
[Date: 1500-1600; Language: French; Origin: pilote, from Italian pedota, from Greek pedon 'oar']
1. someone who operates the controls of an aircraft or spacecraft:
an airline pilot
a fighter pilot
The official report into the accident says that it was caused by pilot error (=a mistake by the pilot).
2. someone with a special knowledge of a particular area of water, who is employed to guide ships across it:
a harbour pilot
3. pilot study/project/scheme etc a small study, project etc which is carried out as a test to see if an idea, product etc will be successful:
a pilot scheme which could be extended to other areas
4. a television programme that is made in order to test whether people like it and would watch it:
a pilot for a new sitcom
⇨ ↑automatic pilot
• • •
THESAURUS
■ people on a plane
▪ pilot someone who operates the controls of a plane: an airline pilot | He has a pilot’s licence.
▪ co-pilot a pilot who shares the control of a plane with the main pilot: The pilot became ill, and the co-pilot had to land the plane.
▪ captain the pilot who is in charge of an aircraft: This is your captain speaking. We will be arriving at Gatwick Airport in approximately 10 minutes.
▪ the flight crew all the people who work on a plane during a flight: The flight crew asked for permission to land at Chicago’s O'Hare International Airport.
▪ the cabin crew the people whose job is to serve food and drinks to passengers on a plane: The cabin crew will be serving drinks shortly.
▪ flight attendant someone whose job is to serve food and drink to passengers on a plane: The flight attendant told him to go back to his seat.
▪ steward/stewardess a man/woman whose job is to serve food and drinks to passengers on a plane: I asked the stewardess if I could have a blanket.
Oxford Advanced Learner's Dictionary
pilot
pilot [pilot pilots piloted piloting] noun, verb, adjective [ˈpaɪlət] [ˈpaɪlət]
noun
1. a person who operates the controls of an aircraft, especially as a job
• an airline pilot
• a fighter pilot
• The accident was caused by pilot error.
see also automatic pilot, autopilot, co-pilot, test pilot
2. a person with special knowledge of a difficult area of water, for example, the entrance to a harbour, whose job is to guide ships through it
3. a single television programme that is made in order to find out whether people will like it and want to watch further programmes
4. = pilot light
Word Origin:
early 16th cent. (denoting a person who steers a ship): from French pilote, from medieval Latin pilotus, an alteration of pedota, based on Greek pēdon ‘oar’, (plural) ‘rudder’.
Example Bank:
• The air crash is thought to have been caused by pilot error.
• The aircraft was set on automatic pilot.
• The pilot bailed out as the aircraft crashed into the ocean.
Cambridge Advanced Learner's Dictionary
pilot
pilot (SHIP) /ˈpaɪ.lət/
noun [C]
a person with detailed knowledge of an area of water, such as that around a port, who goes onto a ship to direct it safely
pilot /ˈpaɪ.lət/
noun [C]
a programme which is made to introduce and test the popularity of a new radio or television series:
If you'd seen the pilot, you'd know why they decided not to make a complete series of programmes!
pilot (AIRCRAFT) /ˈpaɪ.lət/
noun [C]
a person who flies an aircraft:
a fighter/helicopter/bomber/airline pilot
pilot (light)
pilot (light) noun [C]
a small flame which burns all the time in a gas device, such as a cooker or a water heater, and which starts the main flame burning when the gas is turned on
Collins Advanced Learner’s English Dictionary
pilot
/paɪlət/
(pilots, piloting, piloted)
Frequency: The word is one of the 3000 most common words in English.
1.
A pilot is a person who is trained to fly an aircraft.
He spent seventeen years as an airline pilot.
...fighter pilots of the British Royal Air Force.
N-COUNT
2.
A pilot is a person who steers a ship through a difficult stretch of water, for example the entrance to a harbour.
N-COUNT
A pilot scheme or a pilot project is one which is used to test an idea before deciding whether to introduce it on a larger scale.
The service is being expanded following the success of a pilot scheme.
N-COUNT: usu N n
A pilot or a pilot episode is a single television programme that is shown in order to find out whether a particular series of programmes is likely to be popular.
A pilot episode of Nothing’s Impossible has already been filmed.
N-COUNT: oft N n
Merriam-Webster's Advanced Learner's Dictionary
1pi·lot /ˈpaɪlət/ noun, pl -lots [count]
1 : a person who flies an airplane, helicopter, etc.
• an airline pilot
• a fighter/bomber pilot
- see also autopilot, bush pilot, copilot, test pilot
2 : a person who steers or guides a ship into and out of a port or in dangerous waters
3 : a single television show that is made as a test to see if a television series based on the show would be popular and successful
4 : pilot light