Defn: A peculiar organic red coloring matter found in the feathers of various birds.

ZOOGAMOUS; ZOOEGAMOUS
Zo*ög"a*mous, a. Etym: [Zoö- + Gr. (Biol.)

Defn: Of or pertaining zoögamy.

ZOOGAMY; ZOOEGAMY
Zo*ög"a*my, n. (Biol.)

Defn: The sexual reproduction of animals.

ZOOGENIC; ZOOEGENIC
Zo`ö*gen"ic, a. Etym: [Zoö- + -gen + -ic: cf. Gr. (Biol.)

Defn: Of or pertaining to zoögeny, animal production.

ZOOGENY; ZOOEGENY; ZOOGONY; ZOOEGONY
Zo*ög"e*ny, Zo*ög"o*ny, n. Etym: [Zoö- + root of Gr.

Defn: The doctrine of the formation of living beings.

ZOOGEOGRAPHICAL; ZOOEGEOGRAPHICAL
Zo`ö*ge`o*graph"ic*al, a.