The Collaborative International Dictionary
Shail
Shail \Shail\, v. i. [Cf. AS. sceolh squinting, Icel. skj[=a]gr
wry, oblique, Dan. skele to squint.]
To walk sidewise. [Obs.]
--L'Estrange.
Wiktionary
shail
vb. (context obsolete intransitive English) To walk sideways.