MIDDLE
ADJECTIVES
► MIDDLEIST middle-most, most central → 1905 Eng. dial. (Bk.)
► MIDDLEMER central, middle, coming between the eldest and youngest in age → 1905 Eng. dial. (Bk.)
► NAVEL situated in the middle → 1818
ADVERBS
► BUNG in the very middle of things → 1899
NOUNS
► HEY-DIDDLE-DIDDLE the middle → 1999 Aust. rhyming sl. (Bk.)
► MELL the middle → 1859 Sc.
► NAVEL the central or middle point of anything → 1603
► UMBILIC the centre; the middle point or part → 1607 obs.
Lexicophilia 