roller

nouns

a grounder that rolls along the infield

roller

is a type of (narrower)

(baseball) a hit that travels along the ground

a long heavy sea wave as it advances towards the shore

roll, roller, rolling wave

is derived from

a small wheel without spokes (as on a roller skate)

roller

is derived from

is a part of

a shoe with pairs of rollers fixed to the sole

is a type of (narrower)

a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)

a cylinder that revolves

roller

is derived from

is a part of

a window shade that rolls up out of the way

is a type of (narrower)

a solid bounded by a cylindrical surface and two parallel planes (the bases)

a mechanical device consisting of a cylindrical tube around which the hair is wound to curl it

"a woman with her head full of curlers is not a pretty sight"

crimper, curler, hair curler, roller

is derived from

Old World bird that tumbles or rolls in flight; related to kingfishers

roller

is a member of

rollers

is a type of (narrower)

chiefly short-legged arboreal nonpasserine birds that nest in holes

pigeon that executes backward somersaults in flight or on the ground

roller, tumbler, tumbler pigeon