†basilicockObs.Forms: 4 baselycoc, 4–5 -cok, basilicok, -iskoc, 5 basylicock, -ycok, 6 basilicock.[a.OF.basilicoc, -ecoc (nom.sing.andacc.pl.basilicos),f.basilic:—L. basiliscus basilisk + -oc=It.-occo, usually augmentative, sometimes diminutive. Here perhaps associated with coq cock:cf.cockatrice.]=basilisk 1.1340Ayenb. 28Þanne is he[the envious]of þe kende of þe baselycoc, uor no grenhede ne may yleste beuore hym.
c1386ChaucerPars. T. ⁋778That sleeth right as the Basilicok[v.r. Baselycok]sleeth folk by the venym of his sighte.
1481CaxtonMyrr. ii. vi. 77Basylicocks[have]..the heed lyke a cocke and body of a serpent.
1583StubbesAnat.Abus. (1877) 109Like a Cockatrise, or Basilicock, which slay or kill men with the poison of their sighte.