(1):

(v. t.) To face down; to outstare.

(2):

(v. t.) To inspect throughly; to select.

(3):

(n.) One who looks out; also, the place from which one looks out; a watchower.

(4):

(n.) The view obtained by one looking out; scope of vision; prospect; sight; appearance.

(5):

(n.) The act of looking out; watch.