Reeve (r?v), n. (Zoöl.) The female of the ruff.
[1913 Webster]

Reeve, n. [OE. reve, AS. gerēfa. Cf. Sheriff.] an officer, steward, bailiff, or governor; -- used chiefly in compounds; as, shirereeve, now written sheriff; portreeve, etc. Chaucer. Piers Plowman.
[1913 Webster]