Of moderate or (formerly) appropriate magnitude or degree; remote from extremes of height, length, etc.; average, middling. Obsolete.

Occupying a middle or intermediate place in sequential order or spatial position. Obsolete.

That occupies an intermediate position or situation between two things or states; forming a mean between two extremes.

Coming or occurring between two things, places, etc.; ‘holding the middle place or degree between two… in amount, degree, rank, nature, or character.

Midway or equidistant between two points. half-way house, a house (often an inn) situated midway between two towns or stages of a journey, and…

Average, mean. Obsolete.

gen. Intermediate between two or more degrees in size, character, amount, quality, etc.

Estimated by average; i.e. by equally distributing the aggregate inequalities of a series among all the individuals of which the series is composed.

Statistics. More generally: average. rare.

occurring in the middle of a range of values or items; cf. mid-range, adj.