To Be Placed On
To Be Recorded, To Be Loaded On
intransitive verb, godan verb
Because the hiragana ends with an う sound, you know this word is a verb. It's also an intransitive verb, meaning the action happens on its own, you don't do it. The kanji itself means place on, and this means to be placed on.
載る is also often used to refer to something being included in a written document or publication and so can also mean to be recorded, as in 新聞に載る (to be recorded in a newspaper) or 教科書に載る (to be recorded in a textbook).
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
A reporter asks for your conversation to be placed on record, to which you respond "NO (の)!" Koichi doesn't want everyone to know that he didn’t notice a cactus had been placed on his seat until…
え、リンゴ八個もあるの？このトレイに載るかな？
Wait, there are eight apples? Will they fit on this tray?
スーツケースなら、まだ車のトランクに載ってるよ。
If you're looking for the suitcase, it's still in the trunk of the car.
私たちの記事がネイチャーに載りました！
Our article was recorded in the Nature magazine!