The Collaborative International Dictionary of English v.0.48:

Meager \Mea"ger\, Meagre \Mea"gre\, a. [OE. merge, F. maigre, L.
   macer; akin to D. & G. mager, Icel. magr, and prob. to Gr.
   makro`s long. Cf. Emaciate, Maigre.]
   [1913 Webster]
   1. Destitue of, or having little, flesh; lean.
      [1913 Webster]

            Meager were his looks;
            Sharp misery had worn him to the bones. --Shak.
      [1913 Webster]

   2. Destitute of richness, fertility, strength, or the like;
      defective in quantity, or poor in quality; poor; barren;
      scanty in ideas; wanting strength of diction or affluence
      of imagery; as, meager resources; meager fare. Opposite of
      ample. [WordNet sense 1] [Narrower terms: exiguous]
      [Narrower terms: hardscrabble, marginal] [Narrower
      terms: measly, miserable, paltry] "Meager soil."
      --Dryden.

   Syn: meagre, meagerly, scanty.
        [1913 Webster]

              Of secular habits and meager religious belief.
                                                  --I. Taylor.
        [1913 Webster]

              His education had been but meager.  --Motley.
        [1913 Webster]

   3. (Min.) Dry and harsh to the touch, as chalk.
      [1913 Webster]

   4. less than a desirable amount; -- of items distributed from
      a larger supply. [WordNet sense 2]

   Syn: scrimpy, skimpy, skimping.
        [WordNet 1.5]

   Syn: Thin; lean; lank; gaunt; starved; hungry; poor;
        emaciated; scanty; barren.
        [1913 Webster] Meager

The Collaborative International Dictionary of English v.0.48:

Meager \Mea"ger\, Meagre \Mea"gre\, v. t.
   To make lean. [Obs.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

meager
    adj 1: deficient in amount or quality or extent; "meager
           resources"; "meager fare" [syn: meager, meagre,
           meagerly, stingy, scrimpy] [ant: ample]

Moby Thesaurus II by Grady Ward, 1.0:

155 Moby Thesaurus words for "meager":
   Lenten, Lilliputian, Spartan, Tom Thumb, abstemious, angular,
   angustifoliate, angustirostrate, angustisellate, angustiseptal,
   ascetic, austere, bare, bony, cheeseparing, chinchy, chintzy,
   circumscribed, close, close-fitting, confined, constricted, cramp,
   cramped, crowded, cursory, deficient, depthless, dumpy, dwarf,
   dwarfed, dwarfish, elfin, exiguous, few, flat, flat-chested,
   fleshless, footling, frugal, gangling, gangly, gaunt, gawky,
   impoverished, inadequate, inappreciable, incapacious, incipient,
   incommodious, inconsequential, inconsiderable, infrequent,
   insignificant, insufficient, isthmian, isthmic, jejune, lank,
   lanky, lean, lean-fleshed, lean-looking, limited, little, low,
   mean, mere, midget, miniature, minimum, miserable, miserly, nanoid,
   narrow, near, negligible, niggardly, no great shakes, paltry,
   parsimonious, petty, picayune, picayunish, piddling, poor, puny,
   pygmy, rare, rawboned, restricted, rudimental, rudimentary, runty,
   scant, scanty, scarce, scattered, scraggy, scrawny, scrimp,
   scrimping, scrimpy, scrubby, seldom met with, seldom seen, shabby,
   shallow, short, shriveled, shrunk, shrunken, skeletal, skimp,
   skimping, skimpy, skin-deep, skinny, slender, slight, slim, small,
   spare, sparing, sparse, spidery, spindling, spindly, spotty,
   sprinkled, squat, starvation, stingy, stinted, strait, straitened,
   stunted, subsistence, superficial, thin, thin-bellied,
   thin-fleshed, tight, tiny, trifling, trivial, twiggy, undersize,
   undersized, underweight, unnourishing, unnutritious, watered,
   watery, wizened