insula in·su·la (ĭn'sə-lə, ĭns'yə-)
n. pl. -lae (-lē')
A circumscribed body or patch on the skin.
See island of Reil.
(Latin: "island"), in architecture, block of grouped but separate buildings or a single structure in ancient Rome and Ostia. The insulae were largely tenements providing economically practical housing where land values were high and population dense. Distinct from the domus, the upper-class private residence, they were inhabited primarily by the labouring class
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