an implement for cutting grain, grass, etc., consisting of a curved, hooklike blade mounted in a short handle.
(initial capital letter) Astronomy. a group of stars in the constellation Leo, likened to this implement in formation.
an implement for cutting grass, corn, etc, having a curved blade and a short handle
sickle sick·le (sĭk’əl)
v. sick·led, sick·ling, sick·les
To cut with a sickle.
To deform a red blood cell into an abnormal crescent shape.
To assume an abnormal crescent shape. Used of red blood cells.
of the Egyptians resembled that in modern use. The ears of corn were cut with it near the top of the straw. There was also a sickle used for warlike purposes, more correctly, however, called a pruning-hook (Deut. 16:9; Jer. 50:16, marg., “scythe;” Joel 3:13; Mark 4:29).
noun 1. leave from duty, work, or the like, granted because of illness. noun 1. leave of absence from work through illness sick leave n. Paid absence from work allowed an employee because of sickness.
noun 1. any of various birds having a long, curved bill, as the long-billed curlew or curve-billed thrasher. noun 1. any of various birds having a markedly curved bill, such as Falculea palliata, a Madagascan bird of the family Vangidae, Hemignathus procerus, a Hawaiian honey creeper, and certain hummingbirds and birds of paradise
noun, Pathology. 1. an abnormal red blood cell having an elongated, crescentlike shape due to the presence of an abnormal hemoglobin. sickle cell sick·le cell (sĭk’əl) n. An abnormal, crescent-shaped red blood cell that results from a single change in the amino acid sequence of the cell’s hemoglobin, which causes the cell to contort, especially […]
- Sickle-cell anaemia
noun 1. a hereditary haemolytic anaemia, occurring in Black populations, and caused by mutant haemoglobin. The red blood cells become sickle-shaped. It is characterized by fever, abdominal pain, jaundice, leg ulcers, etc