Meaning of CENTERING in English

CENTERING

I. noun

( -s )

Etymology: 1,2 center + -ing

: a usually timber falsework used to support the parts of a masonry arch during construction

II. adjective

Etymology: from present participle of center (II)

of a diphthong or triphthong : concluded with the tongue in the position for the central vowel ə (as ˈiə, one pronunciation of ear )

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.