Argus, Charley, airplane spotter, chimney, chimney corner, fender, fire patrolman, fire screen, fire warden, fireboard, fireplace, fireside, flue, forward observer, hearth, hearthstone, hob, hub, ingle, inglenook, ingleside, lookout, lookout man, night watchman, patrol, patroller, patrolman, picket, roundsman, scout, sentinel, sentry, smokehole, spotter, vedette, watch, watcher, watchkeeper, watchman