Crown-rump length
crown-rump length n.
The length of an embryo or fetus measured from the skull vertex to the midpoint between the apices of the buttocks.
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- Crown-rust
noun, Plant Pathology. 1. a disease of oats and other grasses, characterized by the formation, on the leaves, of orange or black spores, caused by a rust fungus, Puccinia coronata.
- Crown-vetch
noun 1. a plant, Coronilla varia, of the legume family, native to the Old World, having clusters of pink flowers and used to prevent erosion on banked roadsides. noun 1. a trailing leguminous European plant, Coronilla varia, with clusters of white or pink flowers: cultivated in North America as a border plant Also called (US) […]
- Crown-wart
noun, Plant Pathology. 1. a disease of alfalfa and clover, characterized by galls around the base of the stem, caused by several fungi of the genus Urophlyctis.
- Crown-wheel
noun, Horology. 1. a wheel next to the winding knob, having two sets of teeth, one at right angles to its plane. 2. any of various wheels having the form of a hoop or short cylinder with a serrated edge, as the escape wheel in a verge escapement. noun 1. (horology) the wheel next to […]
- Crownwork
[kroun-wurk] /ˈkraʊnˌwɜrk/ noun, Fortification. 1. an outwork containing a central bastion with a curtain and demibastions, usually designed to cover some advantageous position. /ˈkraʊnˌwɜːk/ noun 1. 2. (fortifications) a covering or protective outwork