There are 2 main definitions of mid in English:

mid1

Line breaks: mid
Pronunciation: /mɪd
 
/

adjective

[attributive]
1Of or in the middle part or position of a range: the mid 17th century [in combination]: mid-brown hair
More example sentences
  • In the mid 19th century the air of cities seemed to be much fouler than their water.
  • This is the last building they saw well, before they were deployed back in mid February for the Middle East.
  • The list of Shiraz is a full page long with prices ranging from the mid twenties a bottle to well over $100.
1.1 Phonetics (Of a vowel) pronounced with the tongue neither high nor low: a mid central vowel

Definition of mid in:

There are 2 main definitions of mid in English:

mid2

Line breaks: mid
Pronunciation: /mɪd
 
/

preposition

literary
1.1In the course of.

Origin

Shortening of amid.

Definition of mid in: