Aspirate

Part of speech: noun (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 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.

Part of speech: verb (v.)

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.