A contrail; a visible line of condensation flowing from the edge of an airplane wing or similar structure.

(Britain) A contrail.

A contrail

(idiomatic) To show the way or proceed rapidly. / (idiomatic) To set precedent or do something novel; to break new ground.

(idiomatic) A written record, history, or collection of evidence. / (idiomatic) Records left by a person or organization in the course of activities.

(figuratively) To leave or depart.

A blend of foods for snacking on the go, as during hikes, usually consisting of some combination of dried fruit, nuts, seeds, granola, and sometimes small candies, cereal, etc.

A formal, often computerized record or log of the financial transactions of an organization or system.

(astronomy, photography) The line of light recorded on a photographic medium when a time exposure is made of a star in the nighttime sky using a camera on a fixed mount, caused by the rotation of the earth during the period of time when the camera's shutter is held open.

plural of trail bike