The castle was perhaps a figurative name for a close headpiece deduced from its enclosing and defending the head, as a castle did the whole body; or a corruption from the Old French word casquetel, a small or light helmet.

The Twentieth day about Four a Clock the Moon entered the 25 degree, 19 minutes of ꝳ and came to a Trioctile with the Radical Place of the Moon in the third Indicative, (Jupiter benignly Irradiating the Moon by a Trine about the same time,) denounced a propitious Crisis to ensue.

The bathroom looked like a radiant sacristy, the sink a piscine, the drain a sacrarium.

He abstracted out the square root function.