'Pahoehoe' definitions:

Definition of 'pahoehoe'

From: WordNet
noun
Freely flowing lava

Definition of 'Pahoehoe'

From: GCIDE
  • Pahoehoe \Pa*ho"e*ho`e\, n. (Min.) A name given in Hawaii (formerly the Sandwich Islands) to lava having a relatively smooth or billowing surface, in distinction from the rough-surfaced lava, called aa. [1913 Webster +PJC]