From WordNet (r) 2.0 (August 2003) [wn]:
squid
n 1: (Italian cuisine) squid prepared as food [syn: calamari,
calamary]
2: widely distributed fast-moving ten-armed cephalopod mollusk
having a long tapered body with triangular tail fins
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Squid \Squid\ (skw[i^]d), n. [Cf. Squirt.]
1. (Zool.) Any one of numerous species of ten-armed
cephalopods having a long, tapered body, and a caudal fin
on each side; especially, any species of Loligo,
Ommastrephes, and related genera. See Calamary,
Decacerata, Dibranchiata.
[1913 Webster]
Note: Some of these squids are very abundant on the Atlantic
coast of North America, and are used in large
quantities for bait, especially in the cod fishery. The
most abundant of the American squids are the northern
squid (Ommastrephes illecebrosus), ranging from
Southern New England to Newfoundland, and the southern
squid (Loligo Pealii), ranging from Virginia to
Massachusetts.
[1913 Webster]
2. A fishhook with a piece of bright lead, bone, or other
substance, fastened on its shank to imitate a squid.
[1913 Webster]
Flying squid, Giant squid. (Zool.) See under Flying,
and Giant.
Squid hound (Zool.), the striped bass.
[1913 Webster]