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In biology, a homonym is a name for a taxon that is identical in spelling to another such name, that belongs to a different taxon.. The rule in the International Code of Zoological Nomenclature is that the first such name to be published is the senior homonym and is to be used (it is "valid"); any others are junior homonyms and must be replaced with new names.
A homonym which is both a homophone and a homograph is fluke, meaning: A fish, and a flatworm. The end parts of an anchor. The fins on a whale's tail. A stroke of luck. These meanings represent at least three etymologically separate lexemes, but share the one form, fluke. [13]
Homonym: words with same sounds and same spellings but with different meanings; Homograph: words with same spellings but with different meanings; Homophone: words with same sounds but with different meanings; Homophonic translation; Mondegreen: a mishearing (usually unintentional) as a homophone or near-homophone that has as a result acquired a ...
senior homonym (zoology): the first legitimate use of the name which generally takes priority; junior homonym (zoology), later homonym (botany): a later and generally illegitimate use, though in some circumstances the later name is allowed to stand; hemihomonym: a homonym across naming authorities that is permitted because any confusion is ...
Some spelling variants are explicitly defined by the Code as being homonyms. Otherwise the one-letter difference rule applies. In species, primary homonyms are those with the same genus and same species in their original combination. The difference between a junior primary homonym and a subsequent use of a name is undefined, but it is commonly ...
homonym: 1: a: a word pronounced like another, but differing in meaning or derivation or spelling—also known as a homophone (e.g. to, too, two). b: a word spelled like another, but differing in derivation or meaning or pronunciation—also known as a homograph or heteronym (lead, to conduct, and lead, the metal).
The green box (central) may represent an evolutionary grade (paraphyletic), a group united by conservative anatomical and physiological traits rather than phylogeny. The flanking red and blue boxes are clades (i.e., complete monophyletic subtrees). A grade is a taxon united by a level of morphological or physiological complexity.
The following is a list of tautonyms: zoological names of species consisting of two identical words (the generic name and the specific name have the same spelling). Such names are allowed in zoology, but not in botany, where the two parts of the name of a species must differ (though differences as small as one letter are permitted, as in cumin, Cuminum cyminum).