[ad. L. echinātus, f. echīnus hedgehog.]
1. Bot. ‘Furnished with numerous rigid hairs, or straight prickles; as the fruit of Castanea vesca’ (Treas. Bot.).
1668. Wilkins, Real Char., 116. Whose outward husk is Echinate and prickly.
1835. Lindley, Introd. Bot. (1848), I. 344. Each grain is echinate.
2. Zool. Resembling an echinus or sea-urchin.
1846. Dana, Zooph. (1848), 230. The spiniform teeth which give the echinate character to this species.
Hence Echinato-dentate, a. Zool., having toothlike prickles or spines.
1846. Dana, Zooph. (1848), 173. Exterior … echinato-dentate.
