We found one dictionary that defines the word bird's-tongue:

General (1 matching dictionary)

1. bird's-tongue: Wiktionary

Definitions from Wiktionary (bird's-tongue) ▸ noun:  Knotgrass (Polygonum aviculare). ▸ Words similar to bird's-tongue ▸ Usage examples for bird's-tongue ▸ Idioms related to bird's-tongue ▸ Wikipedia articles (New!) ▸ Popular adjectives describing bird's-tongue ▸ Words that often appear near bird's-tongue ▸ Rhymes of bird's-tongue ▸ Invented words related to bird's-tongue