See Acmella.

Al. The Arabian article which signifies the; it is applied to a word by way of eminence, as the Greek i is. The Easterns express the superlative by adding God thereto, as, the mountains of God, for very high, or the highest, mountains; al may therefore relate to the word Alla", God; and alchemy may be the chemistry of God, or the perfection of chemical science. See Alchemia.

A La, as arm-pit, also a wing, (Hebrew term ahla, a leaf). It is often employed in the descriptive language of every science, for any thin expanded projections. In botany, it is the two side-petals in a papilionaceous corolla: also membranes affixed to the seeds. It used to b'e applied to the angle formed by a branch with the stem, or by a leaf with the branch; but this is now named axilla or axil, from its similarity to the arm-pit. In Anatomy.

Ala auris, or Pinna Auris, is the upper part of the external ear.

Alae nasi, or Pinna .Nasi, the cartilages which are joined to the extremities of the bones of the nose, and which form its lower moveable part. The name also of the helenium or elecampane.