endcap

Noun

 * 1) A cap placed on the end of something.
 * 2) A product display at the end of a supermarket aisle

Verb

 * 1) To add an endcap to.
 * 2)  To modify a reactive end of a polymer, typically by adding a trimethylsilyl group to a hydroxyl.

Etymology 2
From.

Noun

 * 1)  A logo or visual sequence immediately following a programme, identifying the broadcaster or production company.