on-ramp

or on·ramp

[ on-ramp, awn- ]

noun

1. an entrance lane for traffic from a street to a turnpike or freeway.

on-ramp

noun

1. a ramp that provides access to the specified part of a road system

   an interstate highway on-ramp

2. a method of accessing a service or facility

   an important on-ramp to the on-line world

Word History and Origins

Origin of on-ramp¹

By analogy with off-ramp

Example Sentences

It was a brick wall that we turned into the on-ramp of a highway.

From The Daily Beast