Alternative form of moonsickle.

plural of sickle cell

(cytology) An abnormal erythrocyte (red blood cell) that has a crescent shape, characteristic of sickle-cell anemia.

plural of sickle moon

crescent moon

A Chinese melee weapon designed similarly to a scythe, made with materials similar to a chicken's claw.

(pathology, Britain) A severe hereditary form of anaemia, mainly affecting people of African origin, in which mutated haemoglobin distorts red blood cells into a crescent shape, causing the cells to become stuck in capillaries. Downstream tissues are thus deprived of oxygen causing ischaemia and infarction.

(Britain) A disease characterized by sickle-shaped red blood cells.

(medicine) A disease characterized by sickle-shaped red blood cells.

(Canada, US) A disease characterized by sickle-shaped red blood cells.