Polite term for a wooden bowl, often used in traditional Japanese dining. The honorific prefix お makes it more respectful than plain 椀.
See also: 椀
お椀に味噌汁をよそってください。
Please serve the miso soup into the bowl.
このお椀は漆塗りで、とても美しい。
This bowl is lacquered and very beautiful.
I served the miso soup in a bowl and brought it out.
I took the lid off the bowl before eating.
I held the bowl and drank the soup.
茶碗 sounds similar to お椀 but refers to a rice bowl or teacup (often ceramic), whereas お椀 specifically means a wooden bowl usually for soup.
Polite form of 椀 (わん, 'wooden bowl') with the honorific prefix お. The kanji 椀 specifically indicates a wooden bowl.