BART

verb1

1. •
   To use Bay Area Rapid Transit, or to ride on BART.

noun1

1. •
   (UK) Abbreviation or diminutive for baronet, later replaced by Bt. It is a post-nominative title; the pre-nominative is Sir (e.g. Sir John Smith Bart.).

   • The First Lord's daughter proud, Snubbed earls and viscounts nightly— She sneered at barts aloud. And spurned poor Joe Golightly. — 1867