Do you really want to send Webster 1913 a message saying you like their work?
Lac"u*nose` (?), La*cu"nous (?), a. [L. lacunosus full of holes or hollows; cf. F. lacuneux. See Lacuna.] Biol.
Furrowed or pitted; having shallow cavities or lacunae; as, a lacunose leaf.
© Webster 1913.