1. [n]  a consonant pronounced with aspiration
2. [v]  suck in air
3. [v]  pronounce with aspiration; of stop sounds
4. [v]  remove as if by suction; "draw in air"

ASPIRATE is a 8 letter word that starts with A.

1. \As"pi*rate\, v. t. [imp. & p. p. {Aspirated}; p. pr. &
   vb. n. {Aspirating}.] [L. aspiratus, p. p. of aspirare to
   breathe toward or upon, to add the breathing h; ad + spirare
   to breathe, blow. Cf. {Aspire}.]
   To pronounce with a breathing, an aspirate, or an h sound;
   as, we aspirate the words horse and house; to aspirate a
   vowel or a liquid consonant.
   

2. \As"pi*rate\, n.
   1. A sound consisting of, or characterized by, a breath like
      the sound of h; the breathing h or a character
      representing such a sound; an aspirated sound.
   2. A mark of aspiration ([asper]) used in Greek; the asper,
      or rough breathing. --Bentley.
   3. An elementary sound produced by the breath alone; a surd,
      or nonvocal consonant; as, f, th in thin, etc.
   

3. \As"pi*rate\ ([a^]s"p[i^]*r[asl]t), Aspirated