(US) An organised alternative to trick-or-treating where candy is given to children from cars in a parking lot.

(US) participating in a trunk or treat event as a child

An event in which vendors present merchandise directly to store personnel or customers at a retail location or other venue.

plural of trunk show

(plural only) Short-leg boxer briefs

plural of trunk piston

Used other than figuratively or idiomatically: see elephant, trunk. / (astronomy) An extended pillar-like mass of interstellar gas and dust found near a massive star.

plural of trunk line

(rail transport) A main railway line which usually forms the backbone of a rail network. / The main line of a canal, from which other sections diverge.

plural of trunk sleeve