[sahy-suhl, sis-uhl]
Also called sisal hemp. a fiber yielded by an agave, Agave sisalana, of Yucatán, used for making rope, rugs, etc.
the plant itself.

1835–45; short for Sisal grass or hemp, named after Sisal, port in Yucatán Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sisal (ˈsaɪsəl)
1.  a Mexican agave plant, Agave sisalana, cultivated for its large fleshy leaves, which yield a stiff fibre used for making rope
2.  the fibre of this plant
3.  any of the fibres of certain similar or related plants
[C19: from Mexican Spanish, named after Sisal, a port in Yucatán, Mexico]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1843, from Sisal, port in Yucatan, from which the rope-making fiber was exported.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

SISAL definition

(Streams and Iteration in a Single Assignment Language) A general-purpose single assignment functional programming language with strict semantics, automatic parallelisation and efficient arrays. Outputs a dataflow graph in IF1 (Intermediary Form 1). Derived from VAL, adds recursion and finite streams. Pascal-like syntax. Designed to be a common high-level language for numerical programs on a variety of multiprocessors.
Implementations exist for Cray X-MP, Cray Y-MP, Cray-2, Sequent, Encore Alliant, dataflow architectures, transputers and systolic arrays.
Defined in 1983 by James McGraw et al, Manchester University, Lawrence Livermore National Laboratory, Colorado State University and DEC. Revised in 1985. First compiled implementation in 1986. Performance superior to C and competitive with Fortran, combined with efficient and automatic parallelisation.
Not to be confused with SASL.
E-mail: John Feo , Rod Oldehoeft
David C. Cann has written an Optimising SISAL Compiler ( (OSC) which attempts to make efficient use of parallel processors such as Crays.
Latest version: 12.0, SISAL 1.2.
["A Report on the SISAL Language Project", J.T. Feo et al, J Parallel and Distrib Computing 10(4):349-366 (Dec 1990)].
The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
It's an old sisal plantation turned small luxury hotel, set amongst a profusion
  of palms and bougainvillea.
She started with white walls and sisal rugs for a calm backdrop.
The cactus grown on these plantations produced sisal, which was vital to the
  manufacture of rope and burlap.
Fibers from the plant help make sisal, used in the manufacture of burlap and
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