(1):

(n.) A series of prayers (see Note below) arranged to be recited in order, on beads; also, a string of beads by which the prayers are counted.

(2):

(n.) A bed of roses, or place where roses grow.

(3):

(n.) A chapelet; a garland; a series or collection, as of beautiful thoughts or of literary selections.

(4):

(n.) A coin bearing the figure of a rose, fraudulently circulated in Ireland in the 13th century for a penny.