adjective / preposition / noun
mid
MID/mˈɪd/
At the central part of a range.
The man occupies the mid position along the short footbridge.

Etymology
Old English mid already meant “middle” or “intermediate.” It survives especially in compounds, locating something within the middle portion of a place or period, as in midstream or midwinter.
In context
if we draw a line down the middle of the scapula you can call this now the mid scapula line
More examples
- She starts her own business in her mid-thirties.
- He pauses mid-sentence to check the time.
- Our team needs someone to play mid.
Forms
mid · mids