Definition of mounds:
(n) :
An artificial hill or elevation of earth; a raised bank; an embankment thrown up for defense
(n) :
A natural elevation appearing as if thrown up artificially; a regular and isolated hill, hillock, or knoll.
(n) :
(baseball) Elevated area of dirt upon which the pitcher stands to pitch.
(n) :
a large amount of something.
(n) :
(US, vulgar, slang) The mons veneris.
(v) :
(transitive) To fortify with a mound; add a barrier, rampart, etc. to.