IPA: /ˈpuːlˌsaɪd/
KK: /pulˌsaɪd/
Located at or near the edge of a swimming pool.
We spent the afternoon relaxing poolside, enjoying the sun and the cool water.
In a location that is next to a swimming pool.
We enjoyed our drinks poolside while soaking up the sun.
The area that is next to or around a swimming pool.
We set up our chairs and towels poolside to enjoy the sun.
Poolside → It is formed from "pool" (from Old English *pōl*, meaning a small body of water) and "side" (from Old English *sīde*, meaning the lateral surface or edge). The word "poolside" refers to the area next to a pool.
Think of the 'small body of water' ('pool') and the 'edge' or 'lateral surface' ('side') — that's why poolside means the area next to the pool.