Source : Webster's Revised Unabridged Dictionary (1913)

Lithe \Lithe\, v. i. & i. [Icel ?. See {Listen}.]
   To listen or listen to; to hearken to. [Obs.] --P. Plowman.

Lithe \Lithe\, a. [AS. ?, for ? tender, mild, gentle; akin to G.
   lind, gelind, OHG. lindi, Icel. linr, L. lenis soft, mild,
   lentus flexible, and AS. linnan to yield. Cf. {Lenient}.]
   1. Mild; calm; as, lithe weather. [Obs.]

   2. Capable of being easily bent; pliant; flexible; limber;
      as, the elephant's lithe proboscis. --Milton.

Lithe \Lithe\, v. t. [AS. ?. See {Lithe}, a.]
   To smooth; to soften; to palliate. [Obs.]

Source : WordNet®

lithe
     adj : gracefully slender; moving and bending with ease [syn: {lissome},
            {lissom}, {lithesome}, {slender}, {supple}, {svelte},
           {sylphlike}]

Source : Free On-Line Dictionary of Computing

LITHE
     
        Object-oriented with extensible syntax.
     
        "LITHE: A Language Combining a Flexible Syntax and Classes",
        D. Sandberg, Conf Rec 9th Ann ACM Sym POPL, ACM 1982,
        pp.142-145.