(Science: taxonomy) “In the broad sense” (especially of a taxon, that is including all its subordinate taxa and/or other taxa other times considered as distinct).
A term in taxonomy to specify which circumscription of a given taxon is meant, where more than one circumscription has been defined. For instance: In the broader APG circumscription the family Malvaceae s.l. includes Malvaceae s.s. and also the families Bombacaceae, Sterculiaceae and Tiliaceae.
Word origin: ablative case of sensus “sense” and latus “broad”.