cass
n. countable C2 Proficiency US //ˈkæs// cass Archaic
n. a short, sharp sound, like a clap or a crack. You hear this word in old poems or when describing thunder and gunshots.
n. a sharp, sudden sound, such as a clap, crack, or explosion. Archaic in general usage; survives primarily in literary contexts and fixed phrases like 'cass of thunder'.
The dry branch made a loud cass.
The sudden cass of thunder startled the horses in the field.
The poet described the cannon's cass as a violent rupture in the morning silence, shaking the dust from the ancient stones.