To Be Connected, To Be Tied Together, To Lead To, To Be Connected To
intransitive verb, godan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this is a verb. The kanji itself means connect, which makes this to be connected to. In other situations, this can also mean to be tied together, or to lead to.
つながる
You already learned this reading with the kanji, so you should be good to go!
インターネットが繋がるのに一時間かかった。
It took an hour to get connected to the internet.
全ての失敗が成功に繋がるんだよ。
All failures lead to success.
コウイチと私は血が繋がってません。
Koichi and I are not related by blood.