flow, stream -- (the act of flowing or streaming; continuous progression)
flow -- (any uninterrupted stream or discharge)
stream, flow -- (something that resembles a flowing stream in moving continuously; "a stream of people emptied from the terminal"; "the museum had planned carefully for the flow of visitors")
stream, flow, current -- (dominant course (suggestive of running water) of successive events or ideas; "two streams of development run through American history"; "stream of consciousness"; "the flow of thought"; "the current of history")
menstruation, menses, menstruum, catamenia, period, flow -- (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)
Overview of verb flow
The verb flow has 7 senses
flow, flux -- (move or progress freely as if in a stream; "The crowd flowed out of the stadium")
run, flow, feed, course -- (move along, of liquids; "Water flowed into the cave"; "the Missouri feeds into the Mississippi")
flow -- (cause to flow; "The artist flowed the washes on the paper")
flow -- (be abundantly present; "The champagne flowed at the wedding")
hang, fall, flow -- (fall or flow in a certain way; "This dress hangs well"; "Her long black hair flowed down her back")
flow -- (cover or swamp with water)
menstruate, flow -- (undergo menstruation; "She started menstruating at the age of 11")