To Look Out Over
To Survey, To Glance Over
transitive verb, godan verb
Because the hiragana ends with an う sound, you know this word is a verb. The kanji mean see and transit, but the vocab isn't quite the same. You are going to transit your eyes over an area to take in what you see. So you're really going to look out over everything. This word is usually used when you're looking at landscapes or a really large area.
The readings for this word are both kun'yomi readings. You've learned both of these readings by now so you should be able to read this on your own.
The sunflower field went on as far as the eye could see.