(not comparable) (of a tour, etc.) done without a guide / led by one's own instruction, practice, etc.

plural of guide board

Synonym of guardrail

Synonym of guardrail

plural of guide rail

(astronomy) A reference star that is used to maintain the alignment and tracking of a telescope (as the Earth rotates)

A manual intended to assist in the use of a particular system.

A book or other work designed to give tourists and other visitors information about a particular country or area.

A typically certified professional mountaineer employed to ensure the safety of the climbing or skiing party.

An individual who coaches people in career challenges such as professional development or promotion. / A publication that provides such guidance.