2. [syn: menstruation, menses, menstruum, catamenia, period, flow]
The Collaborative International Dictionary of English v.0.48:
Menstruum \Men"stru*um\, n.; pl. E. Menstruums, L. Menstrua.
[L. menstruus. See Menstruous.]
Any substance which dissolves a solid body; a solvent.
The proper menstruum to dissolve metal. --Bacon.
All liquors are called menstruums which are used as
dissolvents, or to extract the virtues of ingredients
by infusion or decoction. --Quincy.
Note: The use is supposed to have originated in some notion
of the old chemists about the influence of the moon in
the preparation of dissolvents. --Johnson.
WordNet (r) 3.0 (2006):
n 1: (archaic) a solvent
2: the monthly discharge of blood from the uterus of nonpregnant
women from puberty to menopause; "the women were sickly and
subject to excessive menstruation"; "a woman does not take
the gout unless her menses be stopped"--Hippocrates; "the
semen begins to appear in males and to be emitted at the same
time of life that the catamenia begin to flow in females"--
Aristotle [syn: menstruation, menses, menstruum,
catamenia, period, flow]