customer base

:  one that purchases a commodity or service

:  an individual usually having some specified distinctive trait

:  the lower part of a wall, pier, or column considered as a separate architectural feature

:  the lower part of a complete architectural design (as of a monument)

:  the bottom of something considered as its support :  foundation

:  to make, form, or serve as a base for

:  to find a foundation or basis for :  to find a base (see ¹base 3a) for

:  of little height

:  low in place or position

:  bass