Defn: A single farmhouse; a steading. [Prov.Eng. & Scot.] Grose.
Jamieson.

ONTO
On"to, prep. Etym: [On + to. Cf. Into.]

Defn: On the top of; upon; on. See On to, under On, prep.

ONTOGENESIS; ONTOGENY
On`to*gen"e*sis, On*tog"e*ny, n. Etym: [See Ontology, and Genesis.]
(Biol.)

Defn: The history of the individual development of an organism; the history of the evolution of the germ; the development of an individual organism, — in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.

ONTOGENETIC
On`to*ge*net"ic, a. (Biol.)

Defn: Of or pertaining to ontogenesis; as, ontogenetic phenomena.
— On`to*ge*net"ic*al*ly, adv.

ONTOGENIC
On`to*gen"ic, a. (Biol.)

Defn: Ontogenetic.

ONTOLOGIC
On`to*log"ic, a.