Hoar

Part of speech: noun (n.)

Hoariness; antiquity. [R.] Covered with the awful hoar of innumerable ages. Burke.

Part of speech: verb (v.)

To become moldy or musty. [Obs.] Shak.

Part of speech: adjective (a.)

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. [Obs.] Shak.