frog spit

noun

Also frog spittle. any of several filamentous freshwater green algae forming floating masses.

cuckoo-spit(def 1).

Origin of frog spit

First recorded in 1815–25

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for frog spit

frog spit

frog spittle

noun

another name for cuckoo spit

a foamy mass of threadlike green algae floating on ponds

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012