(n.) A name given in the Sandwich Islands to lava having a relatively smooth surface, in distinction from the rough-surfaced lava, called a-a.

aa abyssal rock bedrock block lava brash breccia conglomerate crag druid stone festooned pahoehoe gneiss granite igneous rock lava limestone living rock magma mantlerock metamorphic rock monolith pahoehoe pillow lava porphyry pudding stone regolith rock ropy lava rubble rubblestone sandstone sarsen schist scoria scree sedimentary rock shelly pahoehoe stone talus tufa tuff