Source : Webster's Revised Unabridged Dictionary (1913)

Wee \Wee\, n. [OE. we a bit, in a little we, probably originally
   meaning, a little way, the word we for wei being later taken
   as synonymous with little. See {Way}.]
   A little; a bit, as of space, time, or distance. [Obs. or
   Scot.]

Wee \Wee\, a.
   Very small; little. [Colloq. & Scot.]

         A little wee face, with a little yellow beard. --Shak.

Source : WordNet®

wee
     adj 1: (used informally) very small; "a wee tot" [syn: {bitty}, {bittie},
             {teensy}, {teentsy}, {teeny}, {weeny}, {weensy}, {teensy-weensy},
             {teeny-weeny}, {itty-bitty}, {itsy-bitsy}]
     2: very early; "the wee hours of the morning"

wee
     n : a short time; "bide a wee"

wee
     v : eliminate urine; "Again, the cat had made on the expensive
         rug" [syn: {make}, {urinate}, {piddle}, {puddle}, {micturate},
          {piss}, {pee}, {pee-pee}, {make water}, {relieve oneself},
          {take a leak}, {spend a penny}, {wee-wee}, {pass water}]