ragtop

[rag-top]

noun Slang.

an automobile having a folding canvas top; convertible.
the top itself: a ragtop that folds flush with the body.

Origin of ragtop

First recorded in 1950–55; rag1 + top1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for ragtop
n.

"convertible car," 1954, from rag (n.) + top (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper