Proglottis \Pro*glot"tis\, n.; pl. {Proglottides}. [NL. fr. Gr. proglwtti`s the tip of the tongue; pro` forward + glw^tta the tongue.] (Zool) One of the free, or nearly free, segments of a tapeworm. It contains both male and female reproductive organs, and is capable of a brief independent existence. [1913 Webster]