lockholeA keyhole (hole for inserting and turning a key to unlock something).
lockhouseA house, often small, beside a canal or river lock, usually occupied by the lockkeeper (locktender) in centuries past, and in some places still so occupied today.
lockingThe use of a lock or a mutex to restrict access to a part of the code to at most one process.
LockingeA civil parish (served by Ardington and Lockinge Parish Council) in Vale of White Horse district, Oxfordshire, England, that includes the villages of East Lockinge and West Lockinge.
locknitA warp-knitted fabric with an interlocking stitch that resists runs, offers good elasticity and has dimensional stability.
locknoteThe last presentation in an academic or business conference with a broad thematic overview. Typically, the best-known speakers or scholars at a conference give keynote and locknote addresses.
locknutA nut with an inner ring made of a material with elastic properties to prevent it from slipping.
lockoffAny of various mechanisms that prevent a device or circuit from operating under certain circumstances, typically as a safety feature.
lockoutThe opposite of a strike; a labor disruption where management refuses to allow workers into a plant to work even if they are willing.
lockpanA small metal holder on an old-style gun, holding the loose gunpowder used to light the main charge inside the weapon.
lockpickerA person or device that lockpicks or picks locks.
lockpinA pin used to lock a mechanism and prevent it from moving.
lockplateThe plate that covers the lockwork of a gun.
LockportA community in the Rural Municipality of St. Andrews and Rural Municipality of St. Clements, Manitoba, Canada.
lockringA textured or threaded washer used to prevent components from become loose during rotation. On bicycles they are found, for example, on a bottom bracket and a track hub.
lockspitA trench dug in the ground to mark a boundary or other imaginary line.
locksportThe hobby of cracking locks open, such as by lock picking.
lockstepA step whereby the toe of one man is brought very close to the heel of the man in front.
lockstitchA stitch made by a sewing machine in which two threads are interlocked.
lockstitcherA sewing machine used to make lockstitches.
locktailA cocktail partaken of by people in COVID-19 lockdown.
locktenderA tender of a lock on a waterway (e.g., canal or river).
LocktoberAn event or challenge in which the participants wear a chastity cage around their penis for the whole month of October, with the key typically being kept by their partner.
lockupA jail cell; a period of incarceration in such a cell; a facility containing such cells.
LockwoodA civil parish in Redcar and Cleveland district, North Yorkshire, England.
lockworkThe assembly forming the firing mechanism of a gun.
locuraA Latin-American culture-bound syndrome of severe chronic psychosis.
locusA place or locality, especially a centre of activity or the scene of a crime.
locustAny of the grasshoppers, often polyphenic and usually swarming, in the family Acrididae that are very destructive to crops and other vegetation, especially migratory locusts (Locusta migratoria).