What is the meaning of Castro?

first-person singular present indicative of castrar

a local fortified Iron Age village, of which some 3,000 are known in Galicia

any fortified archaeological site

first-person singular present indicative of castrare

to prune

to amputate

to punish

to purge

to castrate or spay

to dock (a tail)

fort (of Roman or prehistoric origin)

a fortified pre-Roman Iron Age village frequently found in the northwestern regions of the Iberian Peninsula

first-person singular present indicative of castrar

fort, fortified settlement

first-person singular present indicative of castrar

Source: wiktionary.org