ground-emplaced mine

NOUN
20 LETTERS · STARTS WITH G

ground-emplaced mine is a valid 20-letter word worth 29 points in Scrabble and 38 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2R1O1U1N1D2-0E1M3P3L1A1C3E1D2M3I1N1E1
2 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 3 + 3 + 1 + 1 + 3 + 1 + 2 + 0 + 3 + 1 + 1 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does ground-emplaced mine mean?

NOUN · 1 SENSE
1

An explosive mine hidden underground; explodes when stepped on or driven over.

BROADER