1
- （一般复同单）a large, heavy piece of artillery, typically mounted on wheels, formerly used in warfare（尤指旧时装在轮上的）大炮, 火炮。
1.1
- an automatic heavy gun that fires shells from an aircraft or tank（飞机或坦克上的）机关炮。
2
- Billiards & Snooker, chiefly Brit. a stroke in which the cue ball strikes two balls successively (for which two points are scored in billiards)【台球, 斯诺克】〈主英〉 双球连击。
- ORIGIN: early 19th cent.: alteration of CAROM.
3
- Engineering a heavy cylinder or hollow drum that is able to rotate independently on a shaft【工程】空心轴。
no obj., with adverbial of direction
1- chiefly Brit. collide with something forcefully or at an angle〈主英〉与…猛撞：
the couple behind almost cannoned into us
身后的那对夫妇几乎撞上我们了
his shot cannoned off the crossbar.
他的射门重重地打中球门横木。
1.1
- Billiards & Snooker make a cannon shot【台球, 斯诺克】双球连击。
词源
late Middle English: from French canon, from Italian cannone 'large tube'， from canna 'cane， reed' （see CANE）.