1Denotes an English-to-Japanese relationship — mostly used attached in front of another word, as in 英和辞典 (English–Japanese dictionary) or 英和対訳 (English–Japanese parallel text).
この本には英和の対訳ページが付いている。
This book has English–Japanese parallel-text pages attached.
英和の見出し語を一つずつ調べた。
I looked up the English–Japanese entries one by one.
2A shortened way of saying 英和辞典 (English–Japanese dictionary) — the everyday word for a dictionary used to look up English words and find their Japanese meanings.
英和を引いて正しい訳を確認した。
I looked it up in the English–Japanese dictionary to confirm the correct translation.
スマホの英和で単語の意味をすぐ調べられる。
With the English–Japanese dictionary app on my phone, I can look up word meanings right away.