vocoid

/V AA1 K OY0 D/
noun
  1. 1

    (linguistics) A sound or segment that has some vowel-like feature and may or may not be able to occupy a nucleus; often includes semivowels, semiconsonants, and any non-syllabic or non-nucleic vowel

  2. 2

    (linguistics) A phonetic vowel, as opposed to a phonological one.