Tapering

a.

1.

Becoming gradually smaller toward one end.

Noun	1.	tapering - the act of gradually lowering the size or amount; "the doctor prescribed the tapering of the dose"
Adj.	1.	tapering - gradually narrowed toward a point; "a tall tapering spire" Synonyms: tapered
	2.	tapering - becoming gradually narrower; "long tapering fingers"; "trousers with tapered legs" Synonyms: narrowing, tapered
	3.	tapering - gradually decreasing until little remains Synonyms: dwindling, tapering off

acanthoid, acanthous, acicular, acuate, aculeate, aculeiform, acuminate, acute, barbed, coarctation, cone-shaped, constriction, contraction, cornuted, cusped, cuspidate, hispid, horned, horny, mucronate, narrowing, needle-pointed, needle-sharp, pointed, pronged, sharp-pointed, spiculate, spiked, spiky, spined, spinous, spiny, stricture, taper, tapered, tined, toothed, unbated