noun se·nec·ti·tude \si-ˈnek-tə-ˌtüd, -ˌtyüd\

Definition of senectitude

  1. :  the final stage of the normal life span

Origin and Etymology of senectitude

Medieval Latin senectitudo, alteration of Latin senectus old age, from sen-, senic-, senex old, old man — more at senior

First Known Use: 1796

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