fusiform

adjective

1. spindle-shaped; rounded and tapering from the middle toward each end, as some roots.

adjective

1. elongated and tapering at both ends; spindle-shaped

adj.

“spindle-shaped,” 1746, from Latin fusus “spindle” (see fuse (n.)) + -form.

adj.

1. Tapering at each end; spindle-shaped.