Basic Guidelines For English Spellings
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Either of two plants of central and western Europe, Petrorhagia nanteuilii and P. prolifera (family Caryophyllaceae), having an epicalyx of brown bracts enclosing a head of pink flowers that open successively; also called childing pink.
Mid 18th century; earliest use found in John Hill (bap. 1714, d. 1775), physician and actor.