Intrados

• POS: Noun
• HYPHEN: in=tra=dos

CIDE DICTIONARY

Intrados, n. [F., fr. L. intra within + F. dos the back, L. dorsum. Cf. Extrados.].

 The interior curve of an arch; esp., the inner or lower curved face of the whole body of voussoirs taken together. See Extrados.  [1913 Webster]

OXFORD DICTIONARY

Intrados, n. the lower or inner curve of an arch.

Etymology

F (as INTRA-, dos back f. L dorsum)

ROGET THESAURUS

Intrados

Interiority

N interiority, inside, interior, interspace, subsoil, substratum, intrados, contents, substance, pith, marrow, backbone, heart, bosom, breast, abdomen, vitals, viscera, entrails, bowels, belly, intestines, guts, chitterings, womb, lap, penetralia, recesses, innermost recesses, cave, interior, internal, inner, inside, inward, intraregarding, inmost, innermost, deep seated, gut, intestine, intestinal, inland, subcutaneous, abdominal, coeliac, endomorphic, interstitial, inwrought, inclosed, home, domestic, indoor, intramural, vernacular, endemic, internally, inwards, within, in, inly, here in, there in, where in, ab intra, withinside, in doors, within doors, at home, in the bosom of one's family.