First Known Use: 1954
Dictionary
semelparous
adjective sem·el·pa·rous \ˌse-ˈmel-pə-rəs\
Definition of SEMELPAROUS
: reproducing or breeding only once in a lifetime <semelparous salmon>
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Origin of SEMELPAROUS
Latin semel once (akin to Latin simul at the same time) + English -parous — more at same
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