- a unit of flow of one cubic foot per second.
Origin of cusec
1910–15; cu(bic foot per) sec(ond)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a unit of flow equal to 1 cubic foot per second. 1 cusec is equivalent to 0.028 317 cubic metre per second
C20: from cu (bic foot per) sec (ond)