411 REFERENCE · Wiktionary
Martha's Vineyard Sign Language
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
Martha's Vineyard Sign Language
A sign language, now extinct, which developed on Martha's Vineyard an island in Massachusetts.
https://web.archive.org/web/20221205210834/https://www.nytimes.com/2020/04/27/books/review/show-me-a-sign-ann-clare-lezotte.html Meg Medina Meg Medina A Deaf Girl Finds Her Voice on Martha's Vineyard in the 19th Century 2020-04-27 LeZotte also gives readers a sense of M.V.S.L. (Martha's Vineyard Sign Language), used by the islanders through the mid-1900s but never fully documented, by combining "home signs" she used as a child with variations of American Sign Language.
Further reading
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en Languages Extinct languages Names of sign languages