DICT.TW Dictionary Taiwan

 Sag v. i. [imp. & p. p. Sagged p. pr. & vb. n. Sagging ]
 1. To sink, in the middle, by its weight or under applied pressure, below a horizontal line or plane; as, a line or cable supported by its ends sags, though tightly drawn; the floor of a room sags; hence, to lean, give way, or settle from a vertical position; as, a building may sag one way or another; a door sags on its hinges.
 2. Fig.: To lose firmness or elasticity; to sink; to droop; to flag; to bend; to yield, as the mind or spirits, under the pressure of care, trouble, doubt, or the like; to be unsettled or unbalanced. [R.]
 The mind I sway by, and the heart I bear,
 Shall never sag with doubt nor shake with fear.   --Shak.
 3. To loiter in walking; to idle along; to drag or droop heavily.
 To sag to leeward Naut., to make much leeway by reason of the wind, sea, or current; to drift to leeward; -- said of a vessel.