I. can ‧ non 1 /ˈkænən/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: French ; Origin: canon , from Italian cannone 'large tube, cannon' , from canna ; ⇨ ↑ cannelloni ]
a large heavy powerful gun that was used in the past to fire heavy metal balls
II. cannon 2 BrE AmE verb [intransitive always + adverb/preposition]
to hit someone or something while moving fast
She came hurtling round the corner and cannoned straight into me.
The ball cannoned off the far post.