com: on-ramp Pronunciation: 'on-"ramp, 'än- Function: noun : a ramp by which one enters a limited-access highway ------------------------------------------ An on-ramp is usually very short and its only purpose is to let people get on the freeway or highway. Once you are on an on-ramp, you have no choice but to get on the freeway. I'm not sure if this is what you want.
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