N.

The fruit of the oak, with a smooth nut in a rough cuplikebase.

Acorn barnacle a multivalve marine cirriped, Balanusbalanoides, living on rocks. acorn worm any marine wormlikeanimal of the phylum Hemichordata, having a proboscis and gillslits, and inhabiting seashores. [OE ‘cern, rel. to ‘cer ACRE,later assoc. with OAK and CORN(1)]

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