Definition of "Lug" :

noun: marine worms having a row of tufted gills along each side of the back; often used for fishing bait

noun: a projecting piece that is used to lift or support or turn something

noun: a sail with four corners that is hoisted from a yard that is oblique to the mast

noun: ancient Celtic god

verb: carry with difficulty

"You'll have to lug this suitcase."

verb: obstruct