the sharp edge of a roof from the ridge to the eaves where the two sides meet
hip tiles
the fruit of a rose, especially a wild kind
the hips and haws in the hedges
very fashionable
it's hip to be environmentally conscious
aware of or informed about
he's trying to show how hip he is to Americana
(formerly in the UK) a set of information about a house or flat that a seller must provide to a potential buyer