Wiktionary
semicylindrical
a. Having the shape of a semicylinder.
Usage examples of "semicylindrical".
He peered over the edge of his big semicylindrical shield at the four approaching horsemen in nomad leathers.
A heavy semicylindrical cloak, like the wing casings of a beetle, hung from wide shoulderboards.
The sheds themselves were longish, semicylindrical affairs with double walls of vyathane film.
Nissen hut, its semicylindrical bulk black against the slightly lighter sky.
The rest of the crew already floated in the semicylindrical chamber, breathing hard, nursing bruises and a few sprains.