ARAM - What does ARAM mean in LoL?

ARAM stands for "All random all mid." See an example of how people use it.
League of Legends (LoL) players use ARAM to refer to the All Random All Mid game mode. In this mode, players are assigned random champions (from their pool of owned champions) and forced to fight in a single lane.

Only aram since it's inception, what's your W/L record ? : r/ARAM

Aram is not playable at all - General Discussion - Heroes of the

Riot Games set to remove Turret Rubble from ARAM game mode in

The Best ARAM Items For Each Role - League of Legends

League of Legends Wild Rift' ARAM: Difference From 'League of

We just set the world record with a 4 hour ARAM game : r

T1 Faker - Would you play ranked ARAM? For sure!

Does anyone know how the ARAM matchmaking works? I know it doesn't

Simple League of Legends ARAM Guide

LoL ARAM: A Player Guide

ARAM Community Tier List - FINAL RESULTS (more details in post