/kwʌʊ/; /kwɑ/; /kjuː/; /kwɔ/; /kyuː/ (in various dialects)

Definitions

1. noun

a small, often sudden sound, especially one made by the impact of one object striking another

“The qu of the arrow hitting the target was loud and clear.”

2. interjection

an exclamation of surprise or excitement, often in response to a sudden or remarkable sound

“Qu! What was that loud noise?”

3. prefix

a combining form of Latin origin, often used in words related to a quiver or a container for arrows

“quiver”