Meaning of LACK in English

LACK

n.

Function: noun

Etymology: Middle English lak; akin to Middle Dutch lak lack, Old Norse lakr defective

Date: 14th century

1 : the fact or state of being wanting or deficient <a lack of evidence>

2 : something that is lacking or is needed

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.