What is the meaning of 笠?

a traditional Japanese rain hat

by extension, something of the same shape as a rain hat

1. the bell or umbrella of a jellyfish
2. the top or shade of a stone lantern or table lamp
3. the shell or husk of a fruit or nut, such as a pinecone
4. the cap of a mushroom
5. the lid of a bowl
6. the cap of a calligraphy brush

the bell or umbrella of a jellyfish

the top or shade of a stone lantern or table lamp

the shell or husk of a fruit or nut, such as a pinecone

the cap of a mushroom

the lid of a bowl

the cap of a calligraphy brush

something protective, such as the authority of a professional organization, or the financial clout of a parent company

a family crest with pictures of various rain hats

暈: a halo: a ring of refracted light around the sun or moon from the way that the sun or moon would look like the center of a rain hat, with the ring viewed as the brim

傘: a folding umbrella (cloth-covered frame used for protection against rain or sun)

the sun

Source: wiktionary.org