dormant -
adj. 1 lying inactive as in sleep; sleeping.
2 a (of a volcano etc.) temporarily inactive. b (of potential faculties etc.) in abeyance.
3 (of plants) alive but not actively growing.
4 Heraldry (of a
beast) lying with its head on
its paws.
dormancy n. [ME f. OF, pres. part. of dormir f. L dormire sleep]