Main Entry:

ter·rain

Pronunciation:

\tə-ˈrān also te-\

Function:

noun

Etymology:

French, land, ground, from Old French terrein, from Vulgar Latin *terranum, alteration of Latin terrenum, from neuter of terrenus of earth — more at terrene

Date:

1766

1 a (1): a geographic area (2): a piece of land : ground b: the physical features of a tract of land2: terrane 13 a: a field of knowledge or interest : territory b: environment, milieu