helicline

== English == === Etymology === Blend of helico- +‎ incline or combination of heli- +‎ -cline, from Ancient Greek ἕλιξ (hélix, “spiral”). Attested from the 1930s (see quotations below). === Pronunciation === IPA(key): /ˈhɛlɪˌklaɪn/ === Noun === helicline (plural heliclines) (now uncommon, architecture) A curving or spiral-shaped ramp; (especially) the ramp at the 1939 New York World's Fair Theme Center. === References ===