Source : Webster's Revised Unabridged Dictionary (1913)

Water chickweed \Wa"ter chick"weed`\ (Bot.)
   A small annual plant ({Montia fontana}) growing in wet places
   in southern regions.

Source : WordNet®

water chickweed
     n : small Indian lettuce of northern regions [syn: {blinks}, {blinking
         chickweed}, {Montia lamprosperma}]