This word is acceptable for play in the UK dictionary that is being used in the following games:

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n. A hypocycloid with four cusps.

n. In heraldry, same as mullet.

n. A plane curve of the sixth class and fourth order, having two conjugate diameters of a conic and the line at infinity as inflectional tangents.

"I have been watching over the last week the arguments of the various camps of keeping the moon option, going directly to Mars, go to an NEO astroid, and several others."

asteroid   

asteroid    astronomy