Meaning of X in English

X

n.

Function: transitive verb

Inflected Form: x-ed also x'd or xed \ ' ekst \ ; x-ing or x'ing \ ' ek-si ŋ \

Date: circa 1849

1 : to mark with an x

2 : to cancel or obliterate with a series of x 's ― usually used with out < x-ed out the mistake>

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