seashore foraging; gathering shellfish and crabs on the shore
Refers to the activity of collecting shellfish, crabs, and other small sea creatures along the rocky shore, often done for fun or as a family outing.
When I was a child, I often went seashore foraging with my family.
We found many small crabs while exploring the shore.
Standard kanji spelling.
Mixed kanji-kana spelling; sometimes used for readability.
Compound of 磯 (iso, 'rocky shore') and 遊び (asobi, 'play'). The exact historical origin is uncertain, but the word naturally describes playing and exploring on the seashore.