Množina: anthers

ETYM French anthère, Latin anthera a medicine composed of flowers, from anthein to bloom, anthos flower.
Botany, male, pollen-bearing organ of flower.
In a flower, the terminal part of a stamen in which the pollen grains are produced. It is usually borne on a slender stalk or filament, and has two lobes, each containing two chambers, or pollen sacs, within which the pollen is formed.
The part of the stamen that contains pollen; usually borne on a stalk.

(Botany) Capable of fertilizing female organs; SYN. staminate.

Množina: antheridia

ETYM Anther + -idium.
The male sex organ of spore-producing plants; produces antherozoids; equivalent to the anther in flowers.
(pl. -dia) male organ in cryptogams.
Organ producing the male gametes, antherozoids, in algae, bryophytes (mosses and liverworts), and pteridophytes (ferns, club mosses, and horsetails). It may be either single-celled, as in most algae, or multicellular, as in bryophytes and pteridophytes.