The Collaborative International Dictionary
slaie
Sley \Sley\, n. [AS. sl?, fr. sle['a]n to strike. See Slay, v. t.]
A weaver's reed. [Spelt also slaie.]
A guideway in a knitting machine.
--Knight.(Weaving) The number of ends per inch in the cloth, provided each dent in the reed in which it was made contained an equal number of ends.
--E. Whitworth.
Wiktionary
slaie
n. A weaver's reed; a sley.