(1):

(n.) A longitudinal sleeper.

(2):

(n.) One who strings; one who makes or provides strings, especially for bows.

(3):

(n.) A streak of planking carried round the inside of a vessel on the under side of the beams.

(4):

(n.) A libertine; a wencher.

(5):

(n.) A long horizontal timber to connect uprights in a frame, or to support a floor or the like.