acuminate
adjective
acu·mi·nate ə-ˈkyü-mə-nət 
: tapering to a slender point
Word History
Etymology
borrowed from Latin acūminātus, from acūmin-, acūmen "sharp point" + -ātus -ate entry 3 — more at acumen
First Known Use
1634, in the meaning defined above
Medical Definition
acuminate
adjective
acu·mi·nate ə-ˈkyü-mə-nət
: tapering to a slender point