Tapering gradually to a sharp point, as the tips of certain leaves.
tr.v., -nat·ed, -nat·ing, -nates. (-nāt')
To sharpen or taper.
[Latin acūminātus, past participle of acūmināre, to sharpen, from acūmen, acuteness. See acumen.]
acumination a·cu'mi·na'tion n.




