A key that when pressed switches between the overtype mode and the insert mode of a computer.
The part of a lock that transmits motion from the hub to the latch bolt.
An appendage or appendix.
An element, often triangular, to which the strings of a violin, guitar, etc. are attached at the lower end of an instrument.
A short joist between a header and a wall.
The part of a telescope containing the adjusting device for the eyepiece, etc.