firstside

noun
UK /ˈfɜːst.saɪd/
US /ˈfɝːst.saɪd/

The first side is the front part of something, like the top of a page.

Write your name on the firstside of the paper.


OTHER MEANINGS

2. The side of a record that plays first.

The firstside of the album has my favorite song.

3. The side of a coin that shows the main picture.

Heads is the firstside of the coin.

4. The side of a building that faces the street.

The shop's firstside has a big red door.