An act of stretching.

“I was right in the middle of a stretch when the phone rang.”

The ability to lengthen when pulled.

“That rubber band has quite a bit of stretch.”

A course of thought which diverts from straightforward logic, or requires extraordinary belief or exaggeration.

“It's a bit of a stretch to call Boris Karloff a comedian.”

To lengthen by pulling.

“I stretched the rubber band until it almost broke.”

To lengthen when pulled.

“The rubber band stretched almost to the breaking point.”

To pull tight.

“First, stretch the skin over the frame of the drum.”