from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A simple programming language.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A family of third-generation programming languages (c.1964 on).
B(eginner's) A(ll-purpose) S(ymbolic) I(nstruction) C(ode).(American Heritage® Dictionary of the English Language, Fourth Edition)
Acronym for beginner's all-purpose symbolic instruction code, but designed to spell out basic (i.e. simplistic). (Wiktionary)