noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A flattened plate or scale attached to the second joint of the antennae of many crustaceans, typically used for locomotion, but which sometimes has a sensory function.

Etymology

From scapho- + Ancient Greek κέρας (kéras, “horn”) + -ite.

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