1. Plural of aitch; the letter H or the sound it represents.
Usage: Common in British English; used when spelling out words or referring to the letter by name.

Examples

• She carefully pronounced each letter, including the aitches in 'house' and 'happy'.
• The teacher asked the students to identify all the aitches in the sentence.
• In some accents, the aitches at the beginning of words are dropped.
• He spelled his name slowly: 'A-I-T-C-H-E-S, aitches.'
• The word 'hour' contains a silent aitch.