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"Calle" is a form of "calle", a noun which is often translated as "street". "Guillermo" is a proper noun which is often translated as "William". Learn more about the difference between "Guillermo" and "calle" below.
la calle(
kah
-
yeh
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (public way)
2. (outdoors)