slaie
Webster's Dictionary (GCIDE)
Sley \Sley\, n. [AS. sl?, fr. sle['a]n to strike. See Slay, v. t.]
1.A weaver's reed. [Spelt also slaie.] [1913 Webster]
2.A guideway in a knitting machine. --Knight. [1913 Webster]
3.(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. [Webster 1913 Suppl.]