semi-circular
Shaped like crescents
Semi-circular means shaped like half a circle, curved in an arc of 180 degrees: a semi-circular driveway, The audience sat in semi-circular rows facing the stage.
The term appears in architecture, geometry, and everyday description of curved objects or arrangements.
Vaulted church recess
- lunetteCrescent-shaped architectural opening
- fanlightSemicircular window over doorway
- alcoveRecessed area in room
- nicheRecessed wall space
rotunda · vault · ambulatory · colonnade · arcade · loggia · atrium · amphitheater
Curved sickle-like arc
- lunarOf the moon
- waxingCoating for shine
- waningGradually decreasing in intensity
- gibbousConvexly swollen shape
phases · halfmoon · illumination · silhouette
Curved line segment
- radiusCenter-to-perimeter distance
- diameterDistance across through center
- circumferenceCircle's outer measurement
- sectorDistinct division of whole
chord · tangent · perimeter · bisector · protractor · compass · angle · vertex
apse
Vaulted church recess
- lunetteCrescent-shaped architectural opening
- fanlightSemicircular window over doorway
- alcoveRecessed area in room
niche · rotunda · vault · ambulatory · colonnade · arcade · loggia · atrium · amphitheater · basilica
crescent
Curved sickle-like arc
gibbous · phases · halfmoon · illumination · silhouette
arc
Curved line segment
- radiusCenter-to-perimeter distance
- diameterDistance across through center
- circumferenceCircle's outer measurement
sector · chord · tangent · perimeter · bisector · protractor · compass · angle · vertex · pi
cupola
Small rooftop dome
- rotundaCircular domed chamber
- vaultSecure storage chamber
- hemisphereHalf of a ball
oculus · drum · lantern · coffered · apse · pantheon · Byzantine · mosaic · frescoes · canopy
headboard
Vertical bed frame panel
transom · driveway · bench · balcony · terrace · patio · desk · console · settee · banquette
semi-circularcircular
Forming a closed curve
closed loop · ring-shaped · annular · round · whole
semi-circularstraight
Not curved or crooked
linear · rectangular · angular · square · rectilinear