Noah Webster's Dictionary 1. (a.) Continuing through the year or many years; as, perennial fountains; perpetual. 2. (a.) Continuing without cessation or intermission; perpetual; unceasing; never failing. 3. (a.) Continuing more than two years; as, a perennial steam, or root, or plant. 4. (n.) A perennial plant; a plant which lives or continues more than two years, whether it retains its leaves in winter or not.

Multi-Version Concordance Perennial (3 Occurrences) Exodus 14:27 And Moses stretcheth out his hand towards the sea, and the sea turneth back, at the turning of the morning, to its perennial flow, and the Egyptians are fleeing at its coming, and Jehovah shaketh off the Egyptians in the midst of the sea, (YLT) Psalms 74:15 Thou hast cleaved a fountain and a stream, Thou hast dried up perennial flowings. (YLT) Amos 5:24 And roll on as waters doth judgment, And righteousness as a perennial stream. (YLT)