den·tate 
(dĕntāt′)
(dĕntāt′)adj.
1. Edged with toothlike projections; toothed: dentate leaves.
2. Chemistry Having a binding site. Used of ligands.
[Latin dentātus, from dēns, dent-, tooth; see dent- in the Appendix of Indo-European roots.]
dentate′ly adv.
dentatedentate leaf