Defn: That part of the architrave which is over a door or window.

HYPERTROPHIC; HYPERTROPHICAL Hy`per*troph"ic, Hy`per*troph"ic*al, a. Etym: [Cf. F. hypertrophique.] (Med. & Biol.)

Defn: Of or pertaining to hypertrophy; affected with, or tending to, hypertrophy.

HYPERTROPHIED
Hy*per"tro*phied, a. (Med. & Biol.)

Defn: Excessively developed; characterized by hypertrophy.

HYPERTROPHY
Hy*per"tro*phy, n. Etym: [Gr. hypertrophie.] (Med. & Biol.)

Defn: A condition of overgrowth or excessive development of an organ or part; — the opposite of atrophy.

HYPHAE
Hy"phæ, n. pl. Etym: [NL., fr. Gr. "yfh` a web.] (Bot.)

Defn: The long, branching filaments of which the mycelium (and the greater part of the plant) of a fungus is formed. They are also found enveloping the gonidia of lichens, making up a large part of their structure.

HYPHEN
Hy"phen, n. Etym: [L., fr. Gr. Hypo-.] (Print.)