This is the 6218th most frequent Portuguese word.
conchal
"Conchal" refers to something related to or resembling a shell.
Here, 'conchal' is used as an adjective meaning 'of or related to shells.'
A área de conchal tem uma paisagem única.
The conchal area has a unique landscape.
In this case, 'conchal' is a noun describing a historic accumulation of shells.
Ele encontrou um fóssil em um conchal antigo.
He found a fossil in an old shell deposit.
Here, 'conchal' is an adjective referring to characteristics resembling shells in appearance.