Closet \Clos"et\, n. [OF. closet little inclosure, dim. of clos. See Close an inclosure.]

1. A small room or apartment for retirement; a room for privacy.

A chair-lumbered closet, just twelve feet by nine. --Goldsmith.

When thou prayest, enter into thy closet. --Matt. vi. 6.

2. A small apartment, or recess in the side of a room, for household utensils, clothing, etc. --Dryden.

Closet sin, sin commited in privacy. --Bp. Hall.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Closet \Clos"et\, v. t. [imp. & p. pr. & vb. n. Closeting.]

1. To shut up in, or as in, a closet; to conceal. [R.]

Bedlam's closeted and handcuffed charge. --Cowper.

2. To make into a closet for a secret interview.

He was to call a new legislature, to closet its members. --Bancroft.

He had been closeted with De Quadra. --Froude.

Source: Webster's Revised Unabridged Dictionary (1913)