n.
a plug of soft material inserted into the vagina to absorb menstrual blood.
▸Medicine a plug of material used to stop a wound or block an opening in the body and absorb blood or secretions.
v.
(tampons, tamponing, tamponed)
plug with a tampon.
Etymology
C19: from Fr., nasalized var. of tapon ‘plug, stopper’, ult. of Gmc origin and rel. to tap1.