A non geocacher. Based on term from the Harry Potter series, which is a non-magical person.

Abreviation for a GPS receiver. Equipment to receive GPS signals for use in navigation.

The horizontal lines on a map or a globe that run parallel to the Equator.

A person who participates in geocaching.

The smallest geocache size. They are about the size of a film canister, and sometimes smaller.

The physical record of everyone who has signed/interacted with a geocache.
Also, The online record of everyone who has interacted with a geocache.

A type of box that is typically used for ammunition, popular container for regular or large geocaches.

The vertical lines on the globe that converge at the North and South Poles.

An ongoing environmental initiative supported by the worldwide geocaching community - “Cache In Trash Out"

A small, metal, water-tight cylindrical container that can be used for micro cache. Also known as a "_____ tube".

A hidden container that usually includes a logbook for geocachers to sign.

Trade items left in caches by geocachers. "Stuff We All Get."

Another name for Longitude

An acronym used by geocachers to state that they “Did Not Find" a cach.

A geocache type where geocachers discover locations rather than a container.

A tag with a unique code that can be attached to an item. The item is then carried from cache to cache (or person to person) in the real world, and its progress can be followed on Geocaching.com.

A coin with a unique code that is carried from cache to cache (or person to person) in the real world, and its progress can be followed on Geocaching.com

Grid system used on most paper topographic maps to locate a point on the map.

An acronym written by geocachers in physical cache logbooks or online when logging cache finds to denote being the "First to Find" a new geocache.

A type of plastic container, commonly used as a geocache, that uses four snaps on the four sides of the lid to create a seal.

A 5-point scale (in half-point increments) rating the mental challenge and the environmental challenges involved with finding a geocache.

A reference point on a GPS device for a physical location on Earth. They are defined by a set of coordinates that typically include longitude, latitude and sometimes altitude.

The topography lines on a map that represent changes in elevation of real terrain on the flat surface of the map.

A simple letter substitution cipher, or code, where each of the letters are rotated 13 characters up or down in the alphabet. Hints for geocaches are encrypted using this code.

A type of “Mystery Cache” involving puzzles to be solved to determine the final coordinates.