CIDE DICTIONARY
barnacle, n. [Prob. from E. barnacle a kind of goose, which was popularly supposed to grow from this shellfish; but perh. from LL. bernacula for pernacula, dim. of perna ham, sea mussel; cf. Gr. pe`rna ham. Cf. F. bernacle, barnacle, E. barnacle a goose; and Ir. bairneach, barneach, limpet.].
Any cirriped crustacean adhering to rocks, floating timber, ships, etc., esp.
(a) the sessile species (genus
Balanus and allies), and
(b) the stalked or goose barnacles (genus
Lepas and allies). See
Cirripedia, and
Goose barnacle. [
1913 Webster]
Barnacle eater (Zoöl.), the orange filefish. -- Barnacle scale (Zoöl.), a bark louse (Ceroplastes cirripediformis) of the orange and quince trees in Florida. The female scale curiously resembles a sessile barnacle in form.
barnacle, n. [OE. bernak, bernacle; cf. OF. bernac, and Prov. F. (Berri) berniques, spectacles.].
OXFORD DICTIONARY
barnacle, n.
1 any of various species of small marine crustaceans of the class Cirripedia which in adult form cling to rocks, ships' bottoms, etc.
2 a tenacious attendant or follower who cannot easily be shaken off.
barnacle goose an Arctic goose, Branta leucopsis, which visits Britain in winter.
barnacled adj.
ME bernak (= med.L bernaca), of unkn. orig.
THESAURUS
barnacle
adherent, adhesive, beat, bloodsucker, bramble, brier, bulldog, burr, cement, deadbeat, decal, decalcomania, freeloader, glue, gunk, hanger-on, leech, limpet, lounge lizard, molasses, mucilage, parasite, paste, plaster, prickle, remora, smell-feast, spiv, sponge, sponger, sticker, sucker, syrup, thorn