Without a roof, open to the sky. / Having no house or home; unsheltered.

Material used on the outside of a roof, such as shingles. / The process of constructing a roof or roofs. / A way of travel which consists in clambering over the roofs of skyscrapers.

present participle of roof

An American surname of Dutch origin, derived from words meaning rose and open country; borne by two Presidents of the U.S.

A disease, caused by a nematode, that causes swelling of the roots of oats

(architecture) A roof having a semicircular cross section; used to span large distances in railway stations etc

(linguistics, often attributive) An articulation involving retraction of the tongue root.

The quality of being roomy

(rail transport, US) A small private compartment, for one person, in a railroad sleeping car.

The amount that a room can hold, especially the number of people that can fit into a room. / The people in a room, considered as a group.