Definition

Noun: An instrument used for navigating; a device that provides information or guidance to determine position, direction, or course, especially for ships, aircraft, or spacecraft.

Usage

A "navigational instrument" is a tool used to find one's way or determine location and direction during travel. It is a compound noun where "navigational" describes the type or purpose of the instrument.

Examples

• The captain checked the navigational instruments before setting sail.
• Modern airplanes rely on sophisticated electronic navigational instruments.
• The astrolabe is an ancient navigational instrument used by sailors.

Advanced Usage

• "navigational instrument panel": The specific array or console where multiple navigational instruments are mounted for the operator to view.
  • The pilot scanned the navigational instrument panel for the latest weather data.

Variants and Related Words

• Navigator (n): A person who directs the route or course, often using navigational instruments.
• Navigation (n): The process or activity of planning and controlling the course of a vehicle.
• Navigate (v): To plan and direct the course of a vehicle.

Synonyms

• Guidance system
• Direction-finding device
• Positioning instrument

Related Phrases

• Navigational aid (navaid): A broader term encompassing instruments as well as external markers like lighthouses or radio beacons that assist in navigation.
  • The buoy is an important navigational aid for ships entering the harbor.

Noun

1. an instrument used for navigating