discoidal

"Maybe that discoidal shape is some sort of reference to the Sun, who knows?," he said.

From BBC ● Jun. 17, 2026

Anterior wings of the male brown, clouded with grey and fuscous-brown, a dark cloud near the base, another at the end of the discoidal cell followed by a white dot, the nervures greyish white.

From Discoveries in Australia, Volume 1. With an Account of the Coasts and Rivers Explored and Surveyed During The Voyage of H.M.S. Beagle, in the Years 1837-38-39-40-41-42-43. By Command of the Lords Commissioners of the Admiralty. Also a Narrative Of Captain Owen Stanley's Visits to the Islands in the Arafura Sea. by John Lort Stokes

In shape they are spheroidal, ellipsoidal or discoidal; in structure they may be solid, hollow or more or less cavernous; whilst in size they vary from that of a walnut to masses weighing several tons.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" by Various

This is a beautiful species, easily known by its discoidal or almost annulate sporangia mounted upon short dark black stipes.

From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by Thomas H. (Thomas Huston) MacBride

We may also note the continuance of the genus Euomphalus, with its discoidal spiral shell.

From The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science by Henry Alleyne Nicholson