Dictionary

acorn worm

noun

Definition of ACORN WORM

:  any of a class (Enteropneusta) of burrowing wormlike marine animals having an acorn-shaped proboscis and classified with the hemichordates

First Known Use of ACORN WORM

circa 1889

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April 18, 2015
wimple Hear it
to veil, ripple, or meander
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