What does Ameslan mean?

Ameslan meaning in General Dictionary

American indication language

Ameslan meaning in Etymology Dictionary

1972, acronym of Ame(rican) S(ign) Lan(guage), known by that title since 1960, but its history dates back to 1817, evolving from French indication Language (introduced at United states class the Deaf in Hartford, Conn.) and native sign languages, particularly compared to Martha's Vineyard. [See "Everyone Here Spoke Sign Language," Nora Ellen Groce, Harvard University Press, 1985]