piece of ground

NOUN
15 LETTERS · STARTS WITH P

piece of ground is a valid 15-letter word worth 22 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3I1E1C3E1O1F4G2R1O1U1N1D2
3 + 1 + 1 + 3 + 1 + 0 + 1 + 4 + 0 + 2 + 1 + 1 + 1 + 1 + 2 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does piece of ground mean?