Tra từ butt - Từ điển Oxford Advanced Learner 8th

butt [butt butts butted butting] verb, noun BrE [bʌt] NAmE [bʌt]
verb
1. ~ sb/sth to hit or push sb/sth hard with your head
2. ~ sb/sth if an animal butts sb/sth, it hits them or it hard with its horns and head
Verb forms:

Word Origin:
v. and n. sense 5 Middle English Old French boter Germanic
Middle English Old French but French butte ‘rising ground’ n. senses 1 to 2 and n. sense 4 late Middle English Dutch bot ‘stumpy’ ↑buttockn. sense 3 late Middle English Old French bot late Latin buttis
Idiom: ↑the butt of something
Derived: ↑butt in ▪ ↑butt out

noun
1. the thick end of a weapon or tool
•a rifle butt
2. the part of a cigarette or ↑cigar that is left after it has been smoked
•an ashtray full of cigarette butts
3. (BrE)a large round container for storing or collecting liquids
•a water butt
4. (informal, especially NAmE)the part of the body that you sit on
Syn: ↑buttocks
•Get off your butt and do some work!
•Get your butt over here! (= Come here!)
5. the act of hitting sb with your head
•a butt from his head
see also ↑headbutt
more at a pain in the ass/butt at ↑pain _n.

Word Origin:
v. and n. sense 5 Middle English Old French boter Germanic
Middle English Old French but French butte ‘rising ground’ n. senses 1 to 2 and n. sense 4 late Middle English Dutch bot ‘stumpy’ ↑buttockn. sense 3 late Middle English Old French bot late Latin buttis