from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The insular cortex, a structure of the human brain located within the lateral sulcus
from The Century Dictionary and Cyclopedia
- n. In anatomy, a portion of the cerebral cortex concealed in the Sylvian fissure, consisting of five or six radiating convolutions, the gyri operti.
- n. In a Roman city, especially Rome itself, a building composed of distinct apartments let to several families; an apartment-house or tenement-house, in distinction from domus, an independent residence.
- n. In a smaller Roman city, especially Pompeii, a block of houses entirely surrounded by streets.
From the Latin īnsula ("island") (Wiktionary)