交錯骨,尖頂拱
Ogive \O"give\, n. [F. ogive, OF. augive a pointed arch, LL. augiva a double arch of two at right angles.] (Arch.) The arch or rib which crosses a Gothic vault diagonally.
ogive
n : front consisting of the conical head of a missile or rocket
that protects the payload from heat during its passage
through the atmosphere [syn: {nose cone}]