mountantmountant means rising.EtymologyFrom mount + -ant. Doublet of montant.adjRising“Hold up, you sluts, / Your aprons mountant”nounThe medium used for mounting a slide“Both mountants can be placed on the same slide, with spores placed in each.”The adhesive used to affix a photograph to a mount“The favourite professional mountant was, and to some extent still is, starch paste.”