1.
Elbow room is the freedom to do what you want to do or need to do in a particular situation. (INFORMAL)
His speech was designed to give himself more political ~.
= leeway
N-UNCOUNT
2.
If there is enough ~ in a place or vehicle, it is not too small or too crowded. (INFORMAL)
There was not much ~ in the cockpit of a Snipe.
= space
N-UNCOUNT