Definify.com

Webster 1913 Edition

Acantha

‖

A-can′tha

,

Noun.

[Gr. [GREEK] thorn, fr. [GREEK] point. See

.]

1.

(Bot.)

A prickle.

2.

(Zool.)

A spine or prickly fin.

3.

(Anat.)

The vertebral column; the spinous process of a vertebra.

Dunglison.

Webster 1828 Edition

Acantha

ACANTH'A

,

Noun.

[Gr. a spine or thorn.]

In botany, a prickle; in zoology, a spine or prickly fin; an acute process of the vertebers.

Definition 2024

acantha

acantha

English

Noun

acantha ‎(plural acanthas)

(botany) A prickle.
(zoology) A spine or prickly fin.
(anatomy) A spinous process of a vertebra.
- 1968, Margaret Tallmadge May, Galen on the usefulness of the parts of the body, translation of original by Galen, page 581:
  Moreover, all the outgrowths which I have said constitute the acantha are not of equal size in all the vertebrae, and Nature has done this with wonderful forethought.
- 1980, Renate Zauner, Speaking of Children's Posture Problems and the Injuries They Cause, page 55:
  Individual vertebral bodies (right) as seen from the side and from above. The acantha is the spiney projection on the right of each illustration: in the lower illustration the boney spinal canal is shown between the acantha and the vertebral body.
- 2005, Michael Foeldi, Roman Strossenreuther, Foundations of Manual Lymph Drainage, page 73:
  Rotary strokes or stationary circles in the direction of the flank / Alternate from the acantha of the vertebral column in the direction of the flank (medial to lateral)