Definition Of falcate
curved like a sickle; hooked.
the mandibles are falcate
Example Of falcate
Beaked whales have a small, falcate dorsal fin, which is set fairly far back on their bodies (well beyond the midpoint).
Macroconidia are falcate and have three or four septa.
Many of the specimens are strongly falcate and appear to be pinnules rather than leaves; they often have longitudinal wrinkles that appear to result from compression of a thick lamina.
The shape of the dorsal fin is variable ranging from low and stubby with a broad base to high and falcate (curved).
The shell is very long and narrow, falcate , fibrous, and distinctly exhibiting the small septa as they occur in the genus Caprina.