fusiform
adjective
fu·si·form ˈfyü-zə-ˌfȯrm 
: tapering toward each end
fusiform bacteria
Word History
Etymology
borrowed from New Latin fūsifōrmis, from Latin fūsus "spindle" (of obscure origin) + -i- -i- + -fōrmis -form
First Known Use
1746, in the meaning defined above
Medical Definition
fusiform
adjective
fu·si·form ˈfyü-zə-ˌfȯrm
: tapering toward each end
fusiform bacteria
a fusiform aneurysm