Wave goes over fish: one runs on foot

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Roller \Roll"er\, n. One who, or that which, rolls; especially, a cylinder, sometimes grooved, of wood, stone, metal, etc., used in husbandry and the arts. A bandage; a fillet; properly, a long and broad bandage used in surgery. (Naut.) One of series of ...

Wiktionary Word definitions in Wiktionary
alt. A boot having small wheels or casters attached to its sole; used for roller skating n. A boot having small wheels or casters attached to its sole; used for roller skating vb. To skate using roller skates

WordNet Word definitions in WordNet
v. travel on shoes with steel or rubber rollers attached to their soles; "In some fashionable restaurants, the waiters roller skate around"

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ All we do is dance and roller skate .&.