plural of hacking run

A species of relatively small bears, Helarctos malayanus, found in Southeast Asia.

The quality or state of being weightful; heaviness; gravity. / Weightiness; importance.

(chiefly zoology) A small opening or orifice. / (zoology, obsolete) One of the suckers on the head of a tapeworm. / (zoology) The main opening in a sponge from which water is expelled.