Hoar (?), a. [OE. hor, har, AS. hār; akin to Icel. hārr, and to OHG. hēr illustrious, magnificent; cf. Icel. Heið brightness of the sky, Goth. hais torch, Skr. kētus light, torch. Cf. Hoary.] 1. White, or grayish white; as, hoar frost; hoar cliffs. “Hoar waters.” Spenser.
2. Gray or white with age; hoary.
Whose beard with age is hoar. Coleridge.
Old trees with trunks all hoar. Byron.
3. Musty; moldy; stale. Shak.