IPA: /ˈoʊvərˌsiːz/
KK: /ˈoʊvərˌsiz/
Relating to countries that are across the sea from a particular point, often used to describe travel or business activities in those countries.
She plans to study overseas next year.
In or to a foreign country, especially one across the sea.
She studied overseas for a year to experience a different culture.
Overseas → It is formed from "over-" (meaning above or beyond) and "seas" (from Old English "sǣ", meaning large bodies of saltwater). The word "overseas" refers to regions that are beyond the seas or oceans, typically implying foreign lands.
Think of going 'beyond' ('over-') the 'seas' to remember that 'overseas' means to travel to foreign lands across the ocean.