seven

sev‧en /ˈsevən/ BrE AmE number
[Language: Old English; Origin: seofon]
1. the number 7:
The women visited cities in seven states.
We close the store at seven (=seven o'clock).
‘How old’s Sam?’ ‘He’s seven (=seven years old).’
2. the seven year itch the idea that after seven years of being married, many people start to want a relationship with someone new – used humorously
⇨ at sixes and sevens at ↑six(3)

Oxford Advanced Learner's Dictionary

seven

seven [seven sevens] [ˈsevn] [ˈsevn] number
7 There are examples of how to use numbers at the entry for five.
more at at sixes and sevens at six
Idiom: seven-year itch
Word Origin:

Old English seofon, of Germanic origin; related to Dutch zeven and German sieben, from an Indo-European root shared by Latin septem and Greek hepta.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition

seven / ˈsev. ə n / number

A1 the number 7:

The restaurant opens for dinner at seven (o'clock).

We're open seven days a week (= every day) .

Collins Advanced Learner’s English Dictionary

seven

[se̱v(ə)n]
♦
sevens
NUM
Seven is the number 7.
Sarah and Ella have been friends for seven years.

Merriam-Webster's Advanced Learner's Dictionary

seven

sev·en /ˈsɛvən/ noun, pl -ens
1 [count] : the number 7
2 [count] : the seventh in a set or series
• the seven of hearts
3 [noncount] : seven o'clock
• “What time is it?” “It's seven.”
• I leave each day at seven.
at sixes and sevens
- see six
- seven adj
• waiting for seven hours
- seven pronoun
• Seven (of them) passed the test.