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Etymology 1
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Noun

 * 1)  a canal; a drain; a small stream

Noun

 * 1) a row of stakes consisting of wood, steel or bamboo used to prevent water from seeping through or to retain soil and rocks
 * 2)  a row of stakes used as a fishing weir

Verb

 * 1) to plant a stake

Etymology 3
Shortened from, and is therefore superfically the same morpheme as etymology 1.

Adjective

 * 1)  excellent; outstanding; smart