The Collaborative International Dictionary of English v.0.48:

Sag \Sag\ (s[a^]g), v. i. [imp. & p. p. Sagged; p. pr. & vb.
   n. Sagging.] [Akin to Sw. sacka to settle, sink down, LG.
   sacken, D. zakken. Cf. Sink, v. i.]
   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.
      [1913 Webster]

   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.]
      [1913 Webster]

            The mind I sway by, and the heart I bear,
            Shall never sag with doubt nor shake with fear.
                                                  --Shak.
      [1913 Webster]

   3. To loiter in walking; to idle along; to drag or droop
      heavily.
      [1913 Webster]

   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. --Totten.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sag \Sag\, v. t.
   To cause to bend or give way; to load.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sag \Sag\, n.
   State of sinking or bending; sagging.
   [1913 Webster]

WordNet (r) 3.0 (2006):

sag
    n 1: a shape that sags; "there was a sag in the chair seat"
         [syn: sag, droop]
    v 1: droop, sink, or settle from or as if from pressure or loss
         of tautness [syn: sag, droop, swag, flag]
    2: cause to sag; "The children sagged their bottoms down even
       more comfortably" [syn: sag, sag down]

Moby Thesaurus II by Grady Ward, 1.0:

179 Moby Thesaurus words for "sag":
   abate, ablate, arch, bag, basin, bate, be eaten away, bear market,
   bear off, bearish market, beat down, bend, bend back, bow, break,
   cadence, cascade, catenary, cave, cave in, cheapen, cheapening,
   concavity, consume, consume away, corrode, crash, crook, crumble,
   curl, curve, cut, cut prices, daggle, dangle, decline,
   declining market, decrease, decurrence, decurve, deflate,
   deflation, deflect, deliquesce, depend, depreciate, depreciation,
   devaluate, devaluation, die away, diminish, dip, dive, dome,
   downslide, downswing, downtrend, downturn, drabble, drag, draggle,
   drape, drift, drift off course, drive, droop, drop, drop off,
   dwindle, ebb, embow, erode, fall, fall away, fall down,
   fall in price, fall off, falloff, fetch away, flag, flap, flex,
   flop, flop down, flow, flump, flump down, founder, give way,
   go down, hang, hang down, hollow, hook, hump, hunch, incurvate,
   incurve, inflect, jew down, languish, lapse, lessen, let up, loop,
   lop, lower, lowering, make leeway, mark down, markdown, melt away,
   nod, nose dive, nose-dive, off market, pare, pay off, pend, plop,
   plop down, plummet, plummeting, plump, plunge, price cut,
   price fall, price reduction, recurve, reduce, reduction, reflect,
   reflex, retreating market, retroflex, round, run low,
   sagging market, set, settle, settle down, settling, shave, shrink,
   sink, sink down, sinkage, sinkhole, sinking, slash, slide, slip,
   slouch, slump, slump down, smash, soft market, submerge,
   submergence, subside, subsidence, swag, sweep, swing, tail off,
   trail, trim, turn, vault, wane, waste, waste away, wear, wear away,
   weep, wilt, wind, yaw, yaw off



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SAG
       SQL Access Group (org., manufacturer, DB)