Noah Webster's Dictionary 1. (a.) Rising to the knees; knee-high; as, water or snow knee-deep. 2. (a.) Sunk to the knees; as, men knee-deep in water.

Multi-Version Concordance Knee-deep (1 Occurrence) Ezekiel 47:4 And he measureth a thousand, and causeth me to pass over into water -- water to the knees. And he measureth a thousand, and causeth me to pass over -- water to the loins. (See RSV NIV)