cove /ˈkov/
  山凹,小灣(vt.)(vi.)(使)內凹,(使)成拱形
  Cove n.
  1. A retired nook; especially, a small, sheltered inlet, creek, or bay; a recess in the shore.
     Vessels which were in readiness for him within secret coves and nooks.   --Holland.
  2. A strip of prairie extending into woodland; also, a recess in the side of a mountain. [U.S.]
  3. Arch. (a) A concave molding. (b) A member, whose section is a concave curve, used especially with regard to an inner roof or ceiling, as around a skylight.
  Cove, v. t. [imp. & p. p. Coved p. pr. & vb. n. Coving.] Arch. To arch over; to build in a hollow concave form; to make in the form of a cove.
     The mosques and other buildings of the Arabians are rounded into domes and coved roofs.   --H. Swinburne.
  Coved ceiling, a ceiling, the part of which next the wail is constructed in a cove.
  Coved vault, a vault composed of four coves meeting in a central point, and therefore the reverse of a groined vault.
  Cove, v. t.  To brood, cover, over, or sit over, as birds their eggs. [Obs.]
     Not being able to cove or sit upon them [eggs], she [the female tortoise] bestoweth them in the gravel.   --Holland.
  Cove, n.  A boy or man of any age or station. [Slang]
     There's a gentry cove here.   --Wit's Recreations (1654).
  Now, look to it, coves, that all the beef and drink
  Be not filched from us.   --Mrs. Browning.
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  cove
       n 1: a small inlet
       2: small or narrow cave in the side of a cliff or mountain