adj.
Pronunciation: ' rü- ˌ g ō s
Function: adjective
Etymology: Latin rugosus, from ruga
Date: 1676
1 : full of wrinkles < rugose cheeks>
2 : having the veinlets sunken and the spaces between elevated < rugose leaves of the sage>
– ru · gos · i · ty \ rü- ' gä-s ə -t ē \ noun