Entry: crucifi (n.)
In context: "Planes' little crucifi of landing lights well ahead of their own noise."
Definition: An unfamiliar pluralization of crucifix (crucifixes): A cross; a figure of the cross.
Other: Beware! For the definition above, there is a subscript warning: N.E.D. (1893) calls this a ‘misuse’, frequent in writers of the 18–19th cent.
SNOOT score: 1
Source: Oxford English Dictionary