3peater - What is 3peater short for in Plants vs. Zombies games?

3peater is short for "Threepeater." See an example of how people use it.
In Plants vs. Zombies games, 3peater is short for threepeater, which is a plant that shoots peas in the lanes around it (their lane and the one above and below it). Plants vs. Zombies (often abbreviated as PvZ) is a series of tower defense games where plant-wielding players defend against a horde of invading zombies. The games are available for most gaming platforms, including mobile devices.

Threepeater - The 3-Headed Peashooter

Steam Community :: Guide :: 100% Achievement Guide: Plants vs. Zombies

When I transform into a walking battle of Plants vs. Zombies

Threepeater (Plants vs. Zombies 2), Plants vs. Zombies Wiki

Shadow Threepeater (Shadow Peashooter + Threepeater) : r

Threepeater Fictonal Threepeater is vs. Zombies Heroe More mages

Gatling Threepeater- NEW PLANT IN Plants vs Zombies

Threepeater Coloring Page for Kids - Free Plants vs. Zombies

.com: Tinuantec New PVZ Ice Pea Shooter Plush Toy Snow

Plants vs Zombies Threepeater

Threepeater (Linxin 2), Plants vs. Zombies Plush Wiki

This cracked out threepeater : r/PvZHeroes