Real Dictionary

vowel point in American English
any of a group of auxiliary symbols, as small lines and dots, placed above or below consonant symbols to indicate vowels in a writing system, as that of Hebrew or Arabic, in which vowels are otherwise not written
in certain languages whose written form normally consists only of consonants, as Hebrew, a diacritical mark accompanying a consonant (to indicate the following vowel sound) or a neutral letter (to indicate esp. an initial vowel sound)

vowel point in British English
noun: any of several marks or points placed above or below consonants, esp those evolved for Hebrew or Arabic, in order to indicate vowel sounds