• Webster's Revised Unabridged Dictionary
    • n Pulu A vegetable substance consisting of soft, elastic, yellowish brown chaff, gathered in the Hawaiian Islands from the young fronds of free ferns of the genus Cibotium, chiefly Cibotium Menziesii; -- used for stuffing mattresses, cushions, etc., and as an absorbent.
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Century Dictionary and Cyclopedia
    • n pulu A fine silky yellowish fiber obtained in the Hawaiian Islands from tree-ferns of the genus Cibotium, the bases of whose leafstalks it densely covers. It is exported in considerable quantity, chiefly to San Francisco, for use in stuffing mattresses, etc. A species of the genus, C. Barometz, of tropical Asia and the Malayan islands, yields (as do also species of Dicksonia) a like product, used for the same purpose, and also employed in surgery as a mechanical styptic.
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Chambers's Twentieth Century Dictionary
    • n Pulu pōō′lōō a silky fibre obtained from the Hawaiian tree-ferns, used for stuffing mattresses.
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In literature:

PULU, a kind of silk obtained from the fibres of a fern-tree of Hawaii.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood
They've removed th' jooty on Pulu.
"Mr. Dooley Says" by Finley Dunne
These sisters had three brothers, named Moku-ha-lii, Kupa-ai-kee, and Ku-pulu-pulu-i-ka-na-hele.
"Hawaiian Folk Tales" by Various
The word "polo" is derived from Tibetan pulu, meaning a knot of willow wood.
"Ranching, Sport and Travel" by Thomas Carson

In news:

Replacement scrumhalf Augustine Pulu scored a try after the final hooter to cap an 18-12 win for Waikato Chiefs over the Sharks on Saturday.
Pulu's dart down the blindside in the 81st minute made certain of the Chiefs' seventh straight win, taking the New Zealand team back to the top of the overall standings.
Washington freshman defensive end Andru Pulu charged with second-degree assault.