This is the 1239th most frequent Japanese word.
ビーフ
Beef.
The word "ビーフ" is used as a noun referring to beef, the meat from a cow.
私はビーフを焼いて食べるのが好きです。
I like to cook and eat beef.
Here, "ビーフ" is part of a compound noun "ビーフカレー", which specifies beef curry as a dish.
ビーフカレーを注文しました。
I ordered beef curry.
In slang usage, "ビーフ" can refer to a conflict or dispute, adapted from English.