bowl-shaped; dome-shaped
Describes something that is shaped like a bowl or dome, often used for objects or architectural features.
This teacup is bowl-shaped.
I saw a building with a dome-shaped roof.
Standard kanji spelling using 形.
Variant using 型; both are used, but 椀形 is more common.
Compound of 椀 (わん, 'bowl') and 形 (かた > がた, 'shape').