[squid] n, pl squid or squids [origin unknown] (1613): any of an order (Teuthoidea) of cephalopods having eight short arms and two usu. longer tentacles, a long tapered body, a caudal fin on each side, and usu. a slender internal chitinous support
[2]squid vi squid.ded ; squid.ding (ca. 1859): to fish with or for squid SQUID n [superconducting quantum interference device] (1967): an instrument for detecting and measuring very weak magnetic fields