A similarly shaped tool; a machete.
A short sword with a curved blade, and a convex edge; once used by sailors when boarding an enemy ship.
To cut back (vegetation) with a cutlass.
A sharp, needle-like piece.
A needle-like mating structure found only in male nematodes.
A tiny glass flake formed during the manufacture of glass vials
A small spike of flowers.
A jet of matter ejected from the photosphere of the sun.
Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges.