Main Entry: Hal·low·een

Variant(s): also Hal·low·e'en \ˌha-lə-ˈwēn, ˌhä-\

Function: noun

Etymology: short for All Hallow Even (All Saints' Eve)

Date: circa 1700

: October 31 observed especially with dressing up in disguise, trick-or-treating, and displaying jack-o'-lanterns during the evening