D defs.my
Entry 2 senses Webster, 1913

Perfoliate

· Per·fo·li·ate · IPA
01 a. Having the basal part produced around the stem; -- said of leaves which the stem apparently passes directory through.
  1. 1.
    Having the basal part produced around the stem; -- said of leaves which the stem apparently passes directory through.(Bot.)
  2. 2.
    Surrounded by a circle of hairs, or projections of any kind.(Zool.)