Definitions
1.NounA system of roots; a secure attachment (in something); a firm grounding.
2.NounThe process of forming roots or taking roots.
3.NounA method of creating a new plant by getting part of an existing plant to form roots.
4.NounA hole formed by a pig when it roots in the ground."These rootings may be as deep as two and a half feet, depending on how large a pig has been working."
5.NounThe reflex a baby makes when hungry and seeking milk.
6.NounIn computer security, the act of gaining superuser access to a computer system.
7.Verbpresent participle and gerund of root