See Also: mortise lock(dictionary)
Lock or Lock-in - Motor Sports(gambling)
Mortise(medicine)
mortise(dictionary)
mortise(dictionary)
mortise joint(medicine)
Lock up CDs(finance)
lock(5)(dictionary)
Lock in(money)
Lock-out(money)

versin (iou) and mortise lock (oh)


versin (iou)



versin noun. E19.
[Abbreviation.]
Math. Versed sine (of).

mortise lock (oh)



n [C] BrE
[Date: 1700-1800; Origin: mortise 'hole made for a part to fit into' (14-21 centuries), from Old French, probably from Arabic murtaj 'locked']
a strong lock that fits into a hole cut in the edge of a door
American Equivalent: dead bolt