noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A shell shaped like a toy top, found principally in the family Trochidae of marine gastropod mollusks or top snails.
2. 2
   A snail with such a shell

Etymology

From top + shell.

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