No, the world has a million roosts for a man, but only one nest

O. W. Holmes, Autocrat, vi. 3. The fowls which occupy such a roost, collectively. A somewhat special application of the word (like rookery, 2) is to the roosts of some perching birds, which a emble in vast numbers, but not to breed, and for no obvious purpose that would not be as well attained without such congregation. Among conspicuous instances may be noted the roosts of the pa enger-pigeon, sometimes several miles in extent, and the winter roosts of many you sands of crows (see crow, 2), which in the breeding season are dispersed. It is not generally known that the common robin of the United States sometimes forms such roosts in summer. 4. The inner roof of a cottage, composed of spars reaching from one wall to the other; a garret. Jamie son . [Scotch.] - At roost, roosting; hence, in a state of rest or sleep. A fox spied out a cock at roost upon a tree.