–noun, plural -ril⋅las, (especially collectively) -ril⋅la for 1.
1.
a member of a group of North American Indians who once inhabited primarily northern New Mexico and southeastern Colorado and are situated in northwestern New Mexico.
Ji·ca·ril·la (hē'kə-rē'yə, -rēl'yə) n.
pl.Jicarilla or Ji·ca·ril·las
An Apache tribe formerly inhabiting southeast Colorado and northern New Mexico and ranging eastward to the Great Plains, with a present-day population in northern New Mexico.
A member of this tribe.
[American Spanish (Apaches de la) Jicarilla, (Apaches of the) Jicarilla, probably diminutive of jícara, chocolate-cup (from the shape of a local hill), perhaps from Nahuatl xicalli, gourd, drinking vessel.]