a machine for compressing or evacuating air or gas by the rotation of a meshing pair of lobed wheels in a closely fitting case.
noun 1. any of a small number of important large servers on the internet that match addresses at the top-domain level
- Root sheath
root sheath n. Either of two epidermic layers of the hair follicle.
- Roots music
noun 1. another name for world music 2. reggae, esp when regarded as authentic and uncommercialized noun any music identified with the early times of a particular culture Usage Note music
noun, Botany. 1. a rhizome.