Real Dictionary

Bermuda grass in American English
a creeping perennial grass (Cynodon dactylon) widely grown in warm climates as a lawn or pasture grass, esp. in the S U.S.
noun: a creeping grass, Cynodon dactylon, of southern Europe, grown in the southern U.S. and Bermuda for lawns and pastures

Bermuda grass in British English
noun: a widely distributed grass, Cynodon dactylon, with wiry creeping rootstocks and several purplish spikes of flowers arising from a single point: used for lawns, pasturage, binding sand dunes, etc