Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Paillasse \Pail*lasse"\ (?; F. ?), n. [F., fr. paille straw. See
{Pallet} a bed.]
An under bed or mattress of straw. [Written also
{palliasse}.]
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
paillasse
n 1: mattress consisting of a thin pad filled with straw or
sawdust [syn: {paillasse}, {palliasse}]