STRENGTH n. 2 definitions
ear; capacity for exertion or endurance, whether physical, intellectual, or moral; force; vigor; power; as, strength of body or of the arm; strength of mind, of memory, or of judgment. All his [Samson's] strength in his hairs were. Chaucer. Thou must outlive Thy youth, thy strength, thy beauty. Milton.…
TONIC n.
A medicine that increases the srength, and gives vigor of action to the system. Tonic sol-fa (Mus.), the name of the most popular among letter systems of notation (at least in England), based on key relationship, and hence called "tonic." Instead of the five lines, clefs, signature, etc., of the usual notation, it empl…