(in especially pulp science fiction) bug-eyed monster: an extraterrestrial being, especially one having a grotesque appearance.
Other definitions for B.E.M. (2 of 2)
Bachelor of Engineering of Mines.
British Empire Medal.
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How to use BEM in a sentence
On February 4, BEM was defeated on the site of his former victory at Hermannstadt.A History of the Nineteenth Century, Year by Year | Edwin Emerson
BEM barely succeeded in saving the remnant of his army by crossing the Moldavian frontier.A History of the Nineteenth Century, Year by Year | Edwin Emerson
When Georgey capitulated, he had one hundred and thirty-eight guns, besides those in the hands of Kossuth and BEM.
Like their ancestors the Huns, they loved fighting, and were the best soldiers that BEM had in his army.Round About the Carpathians | Andrew F. Crosse
In the view of recent events, it may be worth while to recall to mind a few particulars of General BEM's campaign in Transylvania.Round About the Carpathians | Andrew F. Crosse
British Dictionary definitions for BEM
British Empire Medal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012