make the spontaneous sounds and movements of the face and body that are the instinctive expressions of lively amusement and sometimes also of derision

he rarely smiled or laughed

she couldn't help laughing at his jokes

he laughed out loud

we fell about laughing

‘Cold meat and apple pie for breakfast?’laughed Peter

an act of laughing

he has a long and hearty laugh at this old joke

Kat gave a little laugh

something that causes laughter; a source of fun, amusement, or derision

come along, it'll be a laugh

she decided to play along with him for a laugh

that's a laugh, the idea of you cooking a meal!