1) Genus cenchrus 2) Liliopsid genus 3) Monocot genus 
Cenchrus is a genus of about 25 species of grasses in the family Poaceae. Common names include buffelgrasses, sandburs, and sand spur. Some botanists include the genus within the related genus Pennisetum. ===Formerly placed here=== ...[insect anatomy] The cenchrus (plural cenchri) is a specialized anatomical structure in the insect group known as sawflies. The cenchri are small blister-like lobes on the metanotum of these insects, just posterior to the mesothoracic scutellum, shaped and positioned in such a way as to latch onto the base of the front wings when they are f...
Pl. cenchri; minute, often white marks or membranous spaces on the metanotum
[n] - a genus of grasses of the family Gramineae that have burs
genus Cenchrus noun a genus of grasses of the family Gramineae that have burs