English
sea button
From sea + button.
Today it means
noun A sea urchin of the species Pseudoboletia maculata.
Sources
Sources: Wiktionary, “sea button”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / sea button