[sahyd-on, -awn]
  1. with the side or sides foremost, especially in a collision: The other car struck me side-on.

Origin of side-on

First recorded in 1905–10 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for side-on

Historical Examples of side-on

  • "Kept you from throwing her side-on and giving me that spill you promised," he chuckled.

    Down the Yellowstone

    Lewis R. Freeman