HYPOGEOUS
Hyp`o*ge"ous, a. Etym: [See Hypogean.] (Bot.)
Defn: Growing under ground; remaining under ground; ripening its fruit under ground. [Written also hypogæous.]
HYPOGEUM
Hyp`o*ge"um, n.; pl. Hypogea. Etym: [L., fr. Gr. (Anc. Arch.)
Defn: The subterraneous portion of a building, as in amphitheaters, for the service of the games; also, subterranean galleries, as the catacombs.
HYPOGLOSSAL
Hyp`o*glos"sal, a. Etym: [Pref. hypo- + Gr. (Anat.)
Defn: Under the tongue; — applied esp., in the higher vertebrates, to the twelfth or last pair of cranial nerves, which are distributed to the base of the tongue. — n.
Defn: One of the hypoglossal nerves.
HYPOGNATOUS
Hy*pog"na*tous, a. Etym: [Pref. hypo- + Gr. (Zoöl.)
Defn: Having the maxilla, or lower jaw, longer than the upper, as in the skimmer.
HYPOGYN
Hyp"o*gyn, n. (Bot.)