semicylindrical

adjective

semi·​cy·​lin·​dri·​cal ˌse-mē-sə-ˈlin-dri-kəl 

ˌse-ˌmī-,

-mi-

: having the shape of a longitudinal half of a cylinder

Examples of semicylindrical in a Sentence

Recent Examples on the Web

Its semicylindrical pinnacle could be seen as either a rational enclosure or a classical vault that integrated the tower with the deep history of the nineteenth-century iron-and-glass arcades sheltering the streets below. —Thomas De Monchaux, The New Yorker, 22 Jan. 2022

Word History

First Known Use

circa 1731, in the meaning defined above