British English : mid Mid- is used to form nouns or adjectives that refer to the middle part of a particular period of time, or the middle point of a particular place....the mid-eighteenth century.mɪd ADJECTIVE
adjective
(phonetics ) of, relating to, or denoting a vowel whose articulation lies approximately halfway between high and low, such as e in English bet
noun
an archaic word for middle
preposition
a poetic word for amid
combining form
indicating a middle part, point, time, or position ⇒ midday , mid-April , mid-Victorian