noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Hydrocharis morsus-ranae, with roundish leaves and small white flowers. It is free-floating. countable, uncountable
2. 2
   European floating plant with roundish heart-shaped leaves and white flowers wordnet
3. 3
   An American plant, Limnobium spongia, with is also free-floating. countable, uncountable
4. 4
   A South American plant, Limnobium laevigatum. countable, uncountable

Synonyms

All synonyms

amazon frogbitcommon frogbiteuropean frog's-biteuropean frogbitfrog's bitfrog's-bit

Etymology

From frog + bit, perhaps to explain the notched petal tips.

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