squid

squid [squid squids squidded squidding] [skwɪd] [skwɪd] noun countable, uncountable (pl. squid or squids)
a sea creature that has a long soft body, eight arms and two tentacles (= long thin parts like arms) around its mouth, and that is sometimes used for food
Word Origin:

late 16th cent.: of unknown origin.

Cambridge Advanced Learner's Dictionary

squid / skwɪd / noun [ C or U ] ( plural squid )

squid

a sea creature with a long body and ten arms situated around the mouth, or this animal eaten as food

Collins Advanced Learner’s English Dictionary

squid

[skwɪ̱d]
squids
N-COUNT
(squid can also be used as the plural form.)
A squid is a sea creature with a long soft body and many soft arms called tentacles.
N-UNCOUNT
Squid is pieces of this creature eaten as food. Add the prawns and squid and cook for 2 minutes.