Cross-shaped: with four parts forming a symmetric cross.
(Of basidia or basidiospores) Having a cross shape; in basidia of certain jelly fungi the longitudinal wall formation inside the basidium after meiosis makes four compartments that appear cross-shaped from the top of the basidium; an important character of the order Tremellales; basidiospores can produce long wings at the corners of angled spores, making the spore look like a cross.