A Giant
Giant
noun
A giant person is a giant.
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.
虫にとっては、人間も巨人でしょ。
To insects, humans are giants, right?
えっ、巨人ファンなんですか？
What, are you a Giants fan?
あのバスケットボール選手は巨人症です。
That basketball player has gigantism.