lug

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A handle or projection used as a hold or support.
• noun A lug nut.
• noun Nautical A lugsail.
• noun A projecting part of a larger piece that helps to provide traction, as on a tire or the sole of a boot.
• noun A copper or brass fitting to which electrical wires can be soldered or otherwise connected.
• noun Slang A clumsy fool; a blockhead.
• intransitive verb To drag or haul (an object) laboriously.
• intransitive verb To pull or drag with short jerks.
• intransitive verb To cause (an engine, for example) to run poorly or hesitate.
• intransitive verb To pull something with difficulty; tug.
• intransitive verb To move along by jerks or as if under a heavy burden.
• intransitive verb To run poorly or hesitate because of strain. Used of an engine.
• noun The act of lugging.
• noun Something lugged.
• noun A box for shipping fruit or vegetables.

from The Century Dictionary.

• noun Anything that moves slowly or with difficulty; something of a heavy, lumpish, or sluggish nature.
• noun Same as lug-sail.
• noun plural Affected manners; “airs”: as, to put on lugs.
• To pull with force or effort, as something that is heavy or resists; haul; drag.
• To carry, as something heavy or burdensome; bear laboriously.
• Especially To drag or pull about by the ears or head, as a bear or a bull, to excite it to action; bait; worry.
• To geld.
• To pull with effort: followed by at.
• To move heavily, or with resistance; drag.
• To form with a lug or projection: as, to lug a door-sill (that is, to hollow out or chamfer off the upper and outer angle of the stone to within a short distance of each end, the parts not cut away forming the lugs).
• noun A rod or pole.
• noun A pliable rod or twig such as is used in thatching.
• noun A measure of length, properly 15 feet 1 inch, but sometimes 16½, 18, or 20 feet (a lug of coppicewood in Herefordshire was 49 square yards); a pole or perch.
• noun The lobe of the ear.
• noun The ear.
• noun A projecting part of some object resembling more or less in form or position the human ear.
• noun In machinery, a projecting piece; specifically, a short flange by or to which something is fastened.
• noun A projecting piece upon a founders' flask or mold.
• noun In single harness, one of the two loops of leather dependent from the saddle, one on each side, through which the shafts are passed for support.
• noun The arm of a bee-frame.
• noun A jamb or side wall of a recess, as a fireplace.
• noun A grade of tobacco.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To move slowly and heavily.
• intransitive verb To pull with force; to haul; to drag along; to carry with difficulty, as something heavy or cumbersome.
• noun colloq. The act of lugging; ; that which is lugged.
• noun obsolete Anything which moves slowly.
• noun Prov. Eng. A rod or pole.
• noun obsolete A measure of length, being 161/2 feet; a rod, pole, or perch.
• noun [Local, U.S.] a pole on which a kettle is hung over the fire, either in a chimney or in the open air.
• noun Scot. & Prov. Eng. The ear, or its lobe.
• noun That which projects like an ear, esp. that by which anything is supported, carried, or grasped, or to which a support is fastened; an ear
• noun (Mach.) A projecting piece to which anything, as a rod, is attached, or against which anything, as a wedge or key, bears, or through which a bolt passes, etc.
• noun (Harness) The leather loop or ear by which a shaft is held up.