a mock fight in which participants thump each other with pillows
noun, Geology. 1. lava in the form of an agglomeration of rounded, pillow-shaped masses, the result of subaqueous or subglacial volcanic eruption. noun 1. lava that has solidified under water, having a characteristic structure comprising a series of close-fitting pillow-shaped masses pillow lava (pĭl’ō) Lava that forms from an underwater eruption and is characterized by […]
noun 1. an ornamental cover laid over a bed pillow. noun 1. (mainly US) a decorative cover for a bed pillow
noun 1. a straight sword of the 17th century.
- Pillow splint
pillow splint pil·low splint (pĭl’ō) n. A splint that is inflatable or that is made from unusually bulky fabric.