Substyle

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Substyle \Sub"style`\, n. (Dialing)
     A right line on which the style, or gnomon, of a dial is
     erected; being the common section of the face of the dial and
     a plane perpendicular to it passing through the style.
     [Written also {substile}.] --Hutton.
     [1913 Webster]