any of various plants or shrubs belonging to the genus Spiraea, of the rose family, having clusters of small, white or pink flowers, certain species of which are cultivated as ornamentals.
any rosaceous plant of the genus Spiraea, having sprays of small white or pink flowers See also meadowsweet (sense 2), hardhack
noun 1. Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it. 2. a helix. 3. a single circle or ring of a spiral or helical curve or object. 4. a spiral or helical object, formation, or form. 5. Aeronautics. a maneuver in which an […]
noun, Astronomy. 1. any of the elongated and curved spiral sections that are connected to the center of a spiral galaxy.
- Spiral bandage
spiral bandage n. A bandage encircling a limb, with successive turns overlapping the preceding ones.
noun, Machinery. 1. a bevel gear having curved teeth tending to converge on the axis of rotation.