D-shaped
Like a protractor
D-shaped describes something with the outline of a capital letter D—one curved side and one flat side.
The term appears in descriptions of handles, rings, carabiners, and cross-sections: a D-shaped grab handle, The tunnel has a D-shaped profile.
D-ring names this shape in hardware and accessories.
Half a ring
- arcCurved line segment
- curveSmooth, angleless line
- diameterDistance across through center
- chordNotes sounded simultaneously
rounded · symmetry · convex · concave · perimeter · bisect · plane · radius
Spring-gated metal link
fastener · loop · handle · connector · latch · keyring · attachment · hook
semicircle
Half a ring
chord · rounded · symmetry · convex · concave · perimeter · bisect · plane · radius · segment
carabiner
Spring-gated metal link
clip · fastener · loop · handle · connector · latch · keyring · attachment · hook · clasp
ear
Auditory organ
- earlobeSoft lower pinna
- fingernailKeratinous digit cover
- pupilLearner or eye opening
nostril · cross-section · lumen · canal · opening · aperture · organ · cartilage
letterform
A character's visual structure
character · font · typeface · alphabet · initial · block · serif · sans-serif · bold · italic