Meaning

noun a place (seaport or airport) where people and merchandise can enter or leave a country

noun sweet dark-red dessert wine originally from Portugal

noun an opening (in a wall or ship or armored vehicle) for firing through

originEtymology tree Proto-Indo-European *per- Proto-Indo-European *-tus Proto-Indo-European *pértusder. Proto-Italic *portus Latin portusbor. Old English port English port From Old English port, borrowed from Latin portus (“port, harbour”), ultimately from Proto-Indo-European *pértus (“crossing”) (and thus a distant doublet of ford). The directional sense, attested since at least the 1500s, derives…

Etymology from Wiktionary, CC BY-SA 3.0