sem·i·cir·cle 
(sĕmĭ-sûr′kəl)
(sĕmĭ-sûr′kəl)n.
1. A half of a circle as divided by a diameter.
2. An object or arrangement of objects or people in the shape of half a circle.
sem′i·circu·lar (-kyə-lər) adj.
- microbiota
- microbrew
- microbrewer
- microbrewery
- microbubble
- microburst
- microbus
- microcalcification
- microcap
- microcapsule
- microcephalic
- microcephalous
- microcephaly
- microchemical
- microchemist
- microchemistry
- microchip
- microcircuit
- microcircuitry
- microcirculation
- microcirculatory
- microclimate
- microclimatic
- microclimatologic
- microclimatological