plural of BASE jumper

(climbing) An encampment used temporarily for storing supplies and preparing for a larger activity, such as mountain climbing or hunting.

Synonym of prisoners' bars (“the game”)

plural of base camp

(military) an installation in a port or harbour used as a centre of operations by the country's navy.

plural of base class

(surveying) A GPS receiver at known fixed location, used to derive correction information for nearby portable GPS receivers.

(radio) A wireless communications station installed at a fixed location and used to communicate as part of a two-way radio system or wireless telephone system.

plural of base station

(formal) To base on.