Outpatient, Foreign, Imported
noun, の adjective
From foreign lands, you have come to this hospital. That makes you an outpatient. 外来 describes something or someone that comes from elsewhere. You’ll see it most often in hospitals, where it means outpatient, but it’s also used in formal contexts to talk about foreign species or imported words.
がいらい
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
こちらは、外来クリニックの先生です。
This is an outpatient clinic doctor.
マングースって特定外来生物でしょ？
Mongoose is a designated invasive species, right?
コンペイトウは外来語ですよ。ポルトガル語の「confeito」から来てるんです。
"Konpeitō" is a loanword, you know. It comes from the Portuguese word "confeito."