an oscillating shaft.
a shaft that rotates backwards and forwards rather than continuously, esp one used in the valve gear of a steam engine
or rock shelter [rok-shel-ter] /ˈrɒkˌʃɛl tər/ noun 1. a shallow cave or cavelike area, as one formed by an overhanging cliff or standing rocks, occupied by Stone Age peoples, possibly for extended periods.
- Rock snake
noun 1. any large Australasian python of the genus Liasis
noun 1. a low, evergreen, Himalayan shrub, Cotoneaster microphyllus, of the rose family, having shiny leaves with grayish, hairy undersides, white flowers, and scarlet berries.
noun 1. a city in SW Wyoming.