Source : Webster's Revised Unabridged Dictionary (1913)

Lour \Lour\, n. [Native name.] (Zo["o]l.)
   An Asiatic sardine ({Clupea Neohowii}), valued for its oil.

Source : WordNet®

lour
     v 1: set lower; "lower a rating"; "lower expectations" [syn: {lower}]
     2: make lower or quieter; "turn down the volume of a radio"
        [syn: {turn down}, {lower}]
     3: look angry or sullen, wrinkle one's forehead, as if to
        signal disapproval [syn: {frown}, {glower}, {lower}]