barnacle
bar.na.cle \'ba:r-ni-k*l\ \-k*ld\ n [ME barnakille, alter. of bernake, of Celt origin; akin to Corn ]brennyk limpet 1: a European goose (Branta leucopsis) that breeds in the artic and i s larger than the related brant - called also barnacle goose 2: any of numerous marine crustaceans (order Cirripedia) with feathery appe ndages for gathering food that are free-swimming as larvae but fixed to rocks or floating logs as adults - bar.na.cled aj