arrowworm
[ ar-oh-wurm ]
/ ˈær oʊˌwɜrm /
noun
any small, translucent marine worm of the phylum (or class) Chaetognatha, having lateral and caudal fins.
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)