Nuthatch \Nut"hatch`\, n. [OE. nuthake. See 2d Hack.]

(Zo["o]l.) Any one of several species of birds of the genus Sitta, as the European species (Sitta Europ[ae]a). The white-breasted nuthatch (S. Carolinensis), the red-breasted nuthatch (S. Canadensis), the pygmy nuthatch (S. pygm[ae]a), and others, are American.

Source: Webster's Revised Unabridged Dictionary (1913)