roller coaster
— Noun
– English
～ elevated railway in an amusement park (usually with sharp curves and steep inclines)
roller bearing
— Noun
– English
～ bearings containing small metal balls
roller
— Noun
– English
～ Old World bird that tumbles or rolls in flight; related to kingfishers
roller blind
— Noun
– English
～ a window shade that rolls up out of the way
roller
— Noun
– English
～ 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"
roller
— Noun
– English
～ a grounder that rolls along the infield
roller bit
— Noun
– English
～ a drill bit that has hardened rotating rollers
roller bandage
— Noun
– English
～ bandage consisting of a strip of sterile fabric (of variable width) rolled into a cylinder to facilitate application
roller coaster
— Noun
– English
～ anything characterized by abrupt and extreme changes (especially up and down); "the economy has been on a roller coaster all year"
roller
— Noun
– English
～ a cylinder that revolves
roller
— Noun
– English
～ a long heavy sea wave as it advances towards the shore
roller
— Noun
– English
～ pigeon that executes backward somersaults in flight or on the ground
road roller
— Noun
– English
～ vehicle equipped with heavy wide smooth rollers for compacting roads and pavements
rollerblade
— Noun
– English
～ (trademark) an in-line skate
Rollerblade
— Verb
– English
～ travel on shoes with a single line of rubber wheels attached to their soles; "you'd better wear a helmet and knee protectors when you Rollerblade!"; "The muscular actor loves to Rollerblade"
rollerblader
— Noun
– English
～ a skater who uses Rollerblades
rollerblading
— Noun
– English
～ skating using Rollerblades
rollick
— Verb
– English
～ play boisterously; "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom"
rollicking
— Adjective
– English
～ given to merry frolicking; "frolicsome students celebrated their graduation with parties and practical jokes"
rollickingly
— Adverb
– English
～ in a carefree manner; "she was rollickingly happy"