esker

English Thesaurus

1. (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets (noun.object)

hypernym	:	ridge,
definition	:	a long narrow natural elevation or striation (noun.object)

domain category	:	geology,
definition	:	a science that deals with the history of the earth as recorded in rocks (noun.cognition)