(baseball) home plate / (business) headquarters

(computing) An address serving as a point of reference for calculating other addresses.

the aggregate of people who speak some language

(colloquial) Anal sex.

plural of base address

(computing) A character whose appearance is modified by one or more combining characters.

plural of base character

A collection of a building’s structural elements resting on its foundation to provide partial separation of the building from shaking ground thus upgrading the building's seismic fitness. For video demonstration, click here: http://www.youtube.com/user/vshustov#p/f/11/ZqlXp3czrrM

(object-oriented programming) A class from which other classes can be derived, inheriting its functionality or interface; a potential superclass for subclasses.

A group of customers and/or consumers that a business serves.