Meaning of OVERBURDEN in English

OVERBURDEN

I. -ˈbər-d ə n transitive verb

Date: 1532

: to place an excessive burden on

II. ˈō-vər-ˌbər-d ə n noun

Date: 1855

: material overlying a deposit of useful geological materials or bedrock

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.