Anything in an intermediate position.
Any substance formed as part of a series of chemical reactions that is not the end-product.
An intermediary.
To mediate, to be an intermediate.
To arrange, in the manner of a broker.
Being between two extremes, or in the middle of a range.
A centre, midpoint.
The part between the beginning and the end.
The middle stump.
The central part of a human body; the waist.
The middle voice.
Pertaining to the middle voice.
Located in the middle; in between.
Central.