![secundine secundine](https://www.tekportal.net/wp-content/uploads/2018/11/secundine.jpg)
noun Botany.
- the inner integument of an ovule.
noun
- botany rare one of the two integuments surrounding the ovule of a plant
n.“afterbirth,” from Late Latin secundinae (plural), from Latin secundae “the afterbirth,” shortened from secundae membranae, literally “the second membranes,” from secundus “second” (see second (adj.)). Related: Secundines.