Definitions
1.nounThe top of a ridge.
2.nounThe spine of an animal.
3.nounA piece of the backbone of an animal, with the adjoining parts, cut for cooking.
4.nounA sharp angle in the cross section of a hull.
5.nounA hollowed or bevelled channel in the waterway of a ship's deck.
6.nounThe edge or rim of a cask, etc., formed by the projecting ends of the staves; the chamfered end of a stave.
7.nounThe back of the blade on a scythe.
8.noun(Southern England) A steep-sided ravine leading from the top of a cliff down to the sea.