solah

from The Collaborative International Dictionary of English v.0.48
Sola \So"la\, n. [Native name.] (Bot.)
   A leguminous plant ({Aeschynomene aspera}) growing in moist
   places in Southern India and the East Indies. Its pithlike
   stem is used for making hats, swimming-jackets, etc. [Written
   also {solah}, {shola}.]
   [1913 Webster]
    

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