Webster's Revised Unabridged Dictionary · 1913

Nuthatch

Nuthatch , noun

[Old English nuthake. See 2d Hack.]

(Zoology) Any one of several species of birds of the genus Sitta, as the European species (Sitta Europaea). The white-breasted nuthatch (Sitta Carolinensis), the red-breasted nuthatch (Sitta Canadensis), the pygmy nuthatch (Sitta pygmaea), and others, are American.