Definitions
1.verbTo extend or contract in the manner of a telescope.
2.verbTo slide or pass one within another, after the manner of the sections of a small telescope or spyglass.
3.verbTo come into collision, as railway cars, in such a manner that one runs into another.
4.nounThe act of extending or contracting in the manner of a telescope.
5.nounExtending limited data to make up for gaps
6.nounA telescopic action."intermediate stages of telescoping of the parts together"