Children celebrating Halloween.
An example of Halloween is when children dress as ghosts and witches and go to neighbor's doors saying "Trick or treat!"
Origin of Halloweencontr. ; from all hallow even (see Allhallows); hallow ; from Old English halga, definite form of halig (see holy) in sense “holy person, hence saint”
Origin of HalloweenShort for All Hallow Even : Allhallow(mas) + even2.
A shortening of All-Hallow-even, All Hallows’ Eve (the name of the evening before All Saints Day).