ETYM Old Eng. boef, befe, beef, Old Fren. boef, buef, French boeef, from Latin bos, bovis, ox; akin to Greek boys, Skr. gô cow, and Eng. cow. Related to Cow.
1. Cattle that are reared for their meat; SYN. beef cattle.
2. Meat from an adult domestic bovine; SYN. boeuf.

1. To increase or add substance, strength, or power to — usually used with up
2. To complain