gilgai

== English == === Etymology === From Gamilaraay gilgaay (“small water hole”). === Pronunciation === IPA(key): /ˈɡɪlɡʌɪ/ === Noun === gilgai (plural gilgais) (Australia) A small concavity or depression between ridges, where rainwater gathers. ==== Synonyms ==== crab-hole, dead-men's grave, melon hole