cove

Concise Oxford English Dictionary © 2008 Oxford University Press:
cove1

▶noun

• 1 a small sheltered bay.

• 2 Architecture a concave arch or arched moulding, especially one formed at the junction of a wall with a ceiling.

▶verb (usu. as adj. coved) Architecture fit with a cove.

– derivatives
coving noun.

– origin OE cofa ‘chamber, cave’, of Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
cove2

▶noun Brit. informal, dated a man: he's a decent cove.

– origin C16: perh. from Romany kova ‘thing or person’.