Close v. t. [imp. & p. p. Closed p. pr. & vb. n. Closing.]
 1. To stop, or fill up, as an opening; to shut; as, to close the eyes; to close a door.
 2. To bring together the parts of; to consolidate; as, to close the ranks of an army; -- often used with up.
 3. To bring to an end or period; to conclude; to complete; to finish; to end; to consummate; as, to close a bargain; to close a course of instruction.
    One frugal supper did our studies close.   --Dryden.
 4. To come or gather around; to inclose; to encompass; to confine.
    The depth closed me round about.   --Jonah ii. 5.
 But now thou dost thyself immure and close
 In some one corner of a feeble heart.   --Herbert.
 A closed sea, a sea within the jurisdiction of some particular nation, which controls its navigation.