arrowworm

[ ar-oh-wurm ]

/ ˈær oʊˌwɜrm /

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noun

any small, translucent marine worm of the phylum (or class) Chaetognatha, having lateral and caudal fins.

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Also called glassworm.

Origin of arrowworm

First recorded in 1885–90; so called from a fancied resemblance to an arrow

Words nearby arrowworm

arrowhead, arrowroot, arrows, Arrowsmith, arrowwood, arrowworm, arrowy, arroyo, Arroyo Grande, arroz con pollo, Arru Islands

British Dictionary definitions for arrowworm

arrowworm

/ (ˈærəʊˌwɜːm) /

noun

any small marine invertebrate of the genus Sagitta, having an elongated transparent body with fins and prehensile oral bristles: phylum Chaetognatha (chaetognaths)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012