mid 1
/mid/ , adj.
1. being at or near the middle point of: in mid autumn.
2. being or occupying a middle place or position: in the mid nineties of the last century.
3. Phonet. (of a vowel) articulated with an opening above the tongue relatively intermediate between those for high and low: the vowels of beet, bet, and hot are respectively high, mid, and low. Cf. high (def. 23), low (def. 30).
n.
4. Archaic. the middle.
[ bef. 900; ME, OE midd- (both an adj. and the initial element of a compound; modern spellings such as mid autumn are prob. a reanalysis of MID- as an adj.); c. OHG mitti, ON mithr, Goth midjis, OIr mide, L medius, Gk mésos, Skt madhya middle, OCS mezda limit, border ]
mid 2
/mid/ , prep.
amid.
Also, 'mid .
mid 3
/mid/ , n. Informal.
a midshipman.
[ by shortening ]