Menstrua
ahd-5
noun.
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The Century Dictionary and Cyclopedia
Catamenial discharges; menses.
noun.
Latin plural of
menstruum
.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Plural form of
menstruum
.
Word Usage
"The next most general consent is that between primary bodies and their supports, that is, their menstrua and foods."