Wikipedia of Slot Machine gaming terminologies

A thin opening or groove in something is a slot You can put letters and postcards through the mail slot at the post office

noun A narrow depression , perforation , or aperture ; especially, one for the reception of a piece fitting or sliding in it

internet casinos slot machines The oj-bind-slot element is used inside a composite View as a placeholder for child DOM and is a declarative way to define a slot Default markup can be defined

info slot online slot · 1 a slit or other narrow opening, esp · 2 a place or position, as in a sequence or series · 3 an assignment or job opening; position · 4 Informal