A Quick and Simple Dictionary

SAG

1. (initialism) .  (on a letter), Saint Anthony Guard (or Guide).
2. (acronym) .  Screen Actors Guild.
3. Noun.  The state of sinking or bending; sagging.
4. Noun.  The difference in elevation of a wire, cable, chain or rope suspended between two consecutive points.
5. Noun.  The difference height or depth between the vertex and the rim of a curved surface, specifically used for optical elements such as a mirror or lens.
6. Verb.  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.
7. Verb.  (figuratively) To lose firmness, elasticity, vigor, or a thriving state; 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.
8. Verb.  To loiter in walking; to idle along; to drag or droop heavily.
9. Verb.  (transitive) To cause to bend or give way; to load.
10. Verb.  (informal) To wear one's trousers so that their top is well below the waist.