semicylinder
noun
semi·cylinder
"+
: a half of a cylinder divided longitudinally
semicylindrical
"+ 
adjective 
Word History
Etymology
semi- + cylinder
- bibliognostic
- bibliogony
- bibliograph
- bibliographer
- bibliographers
- bibliographic
- bibliographica
- bibliographical
- bibliographically
- bibliographics
- bibliographies
- bibliography
- biblioklept
- bibliolater
- bibliolaters
- bibliolatries
- bibliolatrous
- bibliolatry
- bibliologies
- bibliologists
- bibliology
- bibliomancies
- bibliomancy
- bibliomane
- bibliomanes