An ordinary rompu is "broken" in some way, though the form of the breaking may vary considerably and may perhaps need further description to avoid confusion.
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a chevron rompu -
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a chevron rompu reversed -
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a fess rompu -
An example is the chevronels rompu in the arms of Danzé, Loir et Cher, France. A chevron 'rompu' has the central section shifted vertically upward, as in the coat of the US 278th Armored Infantry Battalion. A bend rompu arraswise of an unusual form can be found in the arms of the 99th Air Base Wing of the United States Air Force. "Rompu" should be distinguished from "fracted". The arms of the Roossenekal Local Area Committee are Per chevron Gules and Azure, a chevron fracted and embattled to chief Or, between in chief a rose Argent, barbed and seeded, and in base a cross fleuretty, Or. The form of the "fracting" can be specified.
An ordinary affaissée, in French heraldry, is wavy in the form of a depression in its middle.
The word rompu is also applied to a mobile charge which is broken, e.g. "a circular chain with link rompu at the top".
Read more about this topic: Variations Of Ordinaries