MEANING: noun: 1. Any marine crustacean of the subclass Cirripedia that attaches itself to rocks, hulls, docks, whales, etc.
2. Someone or something that clings.
verb intr.: To cling in a persistent manner.

ETYMOLOGY. From Latin bernaca, of unknown origin. Earliest documented use: noun 1227, verb 1863.

BARNACRE - the unit of size of auxiliary farm buildings in Texas

BAR NICLE - that'll get you free peanuts in the local saloon

BARN-ALE - fermented milk