acuminate
Coming to point
Acuminate means tapering to a sharp point.
The word appears almost exclusively in botanical and zoological descriptions: an acuminate leaf, acuminate spines.
As a verb, to acuminate is to sharpen or taper, though this use is rare.
The leaves are acuminate at the tip.
Pointed plant projection
- needlePointed implement for sewing
- spineColumn of vertebrae
- spikeSharp rise or point
- barbBackward-pointing spike
prickle · apex · tip · cusp · arrowhead · spear · dagger · stiletto
Reduction in width
- attenuatedLessened in force
- slenderThin and graceful
- elongatedStretched beyond usual dimensions
- taperedGradually narrowing in width
wedge-shaped · spindle-shaped · filiform · conical · pyramidal · streamlined · funneling · diminishing
thorn
Pointed plant projection
barb · prickle · apex · tip · cusp · arrowhead · spear · dagger · stiletto · quill
narrowing
Reduction in width
- attenuatedLessened in force
- slenderThin and graceful
- elongatedStretched beyond usual dimensions
tapered · wedge-shaped · spindle-shaped · filiform · conical · pyramidal · streamlined · funneling · diminishing · contracting
leaf
Plant's photosynthetic organ
awn · apex · foliage · frond · blade · venation · midrib · margin · stipule · tendril