from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The variety of speech that is most remote from the prestige variety, especially in an area where a creole is spoken. For example, in Jamaica, Jamaican Creole is the basilect whereas Standard Jamaican English is the acrolect or prestige language.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A variety of a language that has diverged greatly from the standard form.
basi- + (dia)lect.(American Heritage® Dictionary of the English Language, Fourth Edition)
From basi- + lect. (Wiktionary)