Lug

Lug or LUG may refer to:

Places

Lug (electrical connector), a bolt on an enclosure tied to an electric potential within the enclosure, supporting the connection of a cable
A protrusion used to carry or attach an object:
- Lug (hinge), a protuberance of a hinge, featuring a hole for the axis of the hinge
- Lug (knob), handles are a kind of flattened knob attached to the side of pottery
- Locking lug, a protrusion on a firearm's bolt head that help securing it into the receiver or barrel
- Lug, a protrusion from the case of a wristwatch to which the strap or bracelet attaches, usually by means of spring bars that bridge pairs of lugs at the upper and lower sides of a watch's case
- Bayonet lug, a metal mount for a long gun that either locks a bayonet onto the weapon or provides a base for the bayonet to rest against
Lug, part of a drum used in conjunction with tension rods and counter hoops to tension the drum head in relation to the shell
Lug nut, a fastener, specifically a nut, used to secure a wheel on a vehicle

LEGO users group, a hobbyist organization group focusing on Lego construction toys
Linux user group, a hobbyist organization providing support for Linux users

Lug (bicycle part), steel tubing and sockets of a bicycle
Lug or grouser, the portion of the tread design in a tire that contacts the road surface
Lug sail, a four sided sail bent to a yard
Lugano Airport, IATA Airport Code LUG, a regional airport located west of the Swiss city of Lugano
Lugging, damage-prone mode of operation in internal combustion engines

Lug (unit), a unit of measure for linear distance equal to a rod or 1⁄320 of a statute mile
Lug, or Lugus, celtic god in ancient European culture, and many place names
Lug or Lugh, an ancient god in Irish mythology
Law of universal gravitation, Isaac Newton's equations for gravity
Lesbian until graduation, slang term