Hunting and Fishing Glossary

Click on the appropriate letter and then scroll down to find the term you are interesting in learning the definition for.

Objective lens
The front lenses of a scope. Usually expressed in millimeters. Scope most often have 32-50 mm diameter objective lenses.

Omnivore
Animals that eat both vegetation and animal flesh.

Operculum
The gill cover.

Outboard
A engine mounted on a boat's stern.

Overdraw
An arrow rest that extends further back from the riser to allow for a shorter, lighter arrow. This is done because the lighter the arrow the faster the bow will shoot.

Omasum
The third chamber of a four chambered stomach.