LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

sēmicirculus

sēmicirculus m (genitive sēmicirculī)

Meaning

  1. semicircle

Declension

declension
formsingularplural
nominativesēmicirculussēmicirculī
genitivesēmicirculīsēmicirculōrum
dativesēmicirculōsēmicirculīs
accusativesēmicirculumsēmicirculōs
ablativesēmicirculōsēmicirculīs
vocativesēmicirculesēmicirculī

sēmĭ-circŭlus, a, um, adj.,
I. semicircular: ager, Col. 5, 2, 8.—Hence, subst.: sēmĭ-circŭlus, i, m., a half-circle, semicircle (syn. semiorbis): uncus in semicirculi speciem, Cels. 7, 26, 2: ager, i. e. semicircular, Col. 5, 2, 8.

Origins

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sēmi
  3. Latinsēmicirculus

Ancient Greek κίρκος (kírkos)bor. Latin circus Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulus Latin circulus Latin sēmicirculus From sēmi- + circulus.

Quick answers

What does sēmicirculus mean in Latin?
sēmicirculus, a noun, means “semicircle”.
What is the genitive of sēmicirculus?
The genitive singular is sēmicirculī. sēmicirculus is masculine, second declension.
Where does sēmicirculus come from?
Proto-Indo-European *sem- → Proto-Indo-European *sēmi → Latin sēmicirculus.