This radical has actually the meaning: corpse 尸. But due to its use in tail 尾, urine 尿, or flatulence 屁, it is considered to generally mean 'buttocks'.
Tip: Go to the radicals that are contained in this character and learn all the characters with this radical systematically!
Vocabulary
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开辟
kāi pì
to open up; to set up; to establish
独辟蹊径
dú pì xī jìng
to blaze a new trail (idiom); to display originality
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