(adv. & conj.) On the contrary; on the other hand; only; yet; still; however; nevertheless; more; further; -- as connective of sentences or clauses of a sentence, in a sense more or less exceptive or adversative; as, the House of Representatives passed the bill, but the Senate dissented; our wants are many, but quite of another kind.
BUT
Meaning of BUT in English
Webster's English dictionary. Английский словарь Webster. 2012