Correct
韵母
/ yùnmǔ /
Strokes
Definition
medial and final of a Chinese syllable (excluding initial consonant and tone)/the rhyming part of a Chinese syllable/rhyme/vowel/character used in traditional phonetics to indicate value of rhyme/final sound/phoneme
Example
As a Noun
simple or compound vowel (of a Chinese syllable), consisting of an essential vowel（韵腹）with or without a head vowel（韵头）or a tail vowel（韵尾）