ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: hard (I) + top, n.
1. : an automobile with a metal roof
2. also hardtop convertible : an automobile similar to a convertible in lacking vertical posts between windows but differing in having a rigid top of metal or plastic that in some models is fixed and in others is either lowerable into the rear deck or demountable