The embedded or basal portion of the tongue, a hair, tooth, finger, nail, or other member or structure of the body.

In a person, animal, or plant: the end of a part or organ by which it is attached to the main part, trunk, or stem, such as the part of a leaf…

Botany and Zoology. That part of an organ by which it is attached to its support; = base, n.1 3. Now only in specific use: see quots. 1870, 1870.

The bottom of something; the lowest part. Often figurative. Obsolete.

Anatomy. A part of a hollow organ, typically having a rounded shape and located furthest from the… The rounded or wider part of various other…

In extended use: the end of a hair, nail, etc., nearer to the root; the extremity of a root of a tooth.

Anatomy and Zoology. A place from which a structure, esp. a muscle or nerve, arises, or at which it is attached; spec. the more fixed of the two…

Anatomy. The base or point of origin or attachment of an anatomical structure.