Dictionary.com
Thesaurus.com

hemicyclium

American  
[hem-i-sik-lee-uhm] / ˌhɛm ɪˈsɪk li əm /

noun

  1. a sundial in the form of a concave quarter sphere having a rodlike gnomon lying within one radius and marked on its surface with arcs that lie in the same plane as the gnomon.


Etymology

Origin of hemicyclium

From Latin; see origin at hemicycle

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training