noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The lancelet, particularly of the genus Branchiostoma.
2. 2
   small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates wordnet

Synonyms

All synonyms

lanceletlancelet

Etymology

From Ancient Greek ἀμφί (amphí, “both”) + Ancient Greek ὀξύς (oxús, “sharp, keen”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.