Third-person singular simple present indicative form of roam.(verb)
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Use "roams" in a sentence
"When you leave the house, the call roams seamlessly back onto the operator's regular network."
"In the duke of Athol's seventy-mile forest, with scarce a tree save planted larches, the stag roams by thousands, but of course the game-laws interpose, as they did eight hundred years ago, between him and the (biped) hind."
"The underlying system is similar to that used when a phone "roams" on a different network abroad."