nounpl. -·ion or -·ions
a silverside fish (Leuresthes tenuis) of the California coast: it spawns on sandy beaches during high tides in the spring
Origin of grunionprobably from Spanish gruñón, grumbler from Classical Latin grunnire, to grunt from Indo-European an unverified form gru-, echoic
A small fish (Leuresthes tenuis) of coastal waters of California and Mexico that spawns at night along beaches during the high tides of spring and summer.
Origin of grunionPerhaps from Spanish gruñón grumbler from gruñir to grumble, grunt from Latin grunnīre, grundīre to grunt
Origin uncertain, but probably from American Spanish gruñón (“grunter, grouch”), from gruñir (“to grunt”).