Definition of pahoehoe in English:
 pahoehoe
noun pəˈhəʊɪhəʊipəˈhōēˌhōē
mass nounGeology Basaltic lava forming smooth undulating or ropy masses.
Often contrasted with aa
 Example sentencesExamples
-  Back up above-ground, trek across the surreal terrain that resembles a moon crater and examine the different types of Hawaiian lava: pahoehoe, which has a smooth and ropey surface, and a'a, which resembles stirred up brownies.
 -  The upper flow unit is well exposed in the Prospect Park quarry and is made up of three types of lava flow structures: massive, columnar basalt, subaqueous, pahoehoe flow lobes, and bedded pillow lava.
 -  In the summer, pahoehoe makes for fairly easy hiking, but not a'a.
 -  Herding cattle and galloping horses across rough a'a lava fields and smoother pahoehoe takes a special kind of cowboy-the Kona paniolo.
 -  Lazarus leapt from the pahoehoe and landed next to his guide, leaning against the volcano for a moment.
 
Origin
  
Mid 19th century: from Hawaiian.