dar el pecho bedeutet auf Englisch

breastfeed [breastfed, breastfeeding, breastfeeds]▼(feed a baby milk via the breasts)
verb
[UK: ˈbrest.fiːd] [US: ˈbrest.fid]

nurse [nursed, nursing, nurses]▼(to breast feed)
verb
[UK: nɜːs] [US: ˈnɝːs]