Sickle-shaped.
Latin falx, falc‑, sickle.
Something falciform or falcate is hooked or curved like a sickle; a falx (plural falces) is a sickle-shaped fold in the membrane enveloping the brain and spinal cord; falciparum is the most severe form of malaria, caused by infection with Plasmodium falciparum.
Copyright © Michael Quinion 2008–. All rights reserved. Your comments are very welcome.