MEANING: noun: A figurative, usually compound, expression used to describe something. For example, whale road for an ocean and oar steed for a ship.

ETYMOLOGY: From Old Norse kenna (to know). Ultimately from the Indo-European root gno- (to know), which is also the source of know, recognize, acquaint, ignore, diagnosis, notice, normal, prosopagnosia, gnomon, anagnorisis, and agnosia. Earliest documented use: 1320. Kennings were used especially in Old Norse and Old English poetry.

iKENNING - Scottish computer knowledge

1. when the pitcher strikes out the side in baseball
2. a VERY long cricket match

VENNING - circular reasoning