'soft chess' definitions:

Definition of 'soft chess'

From: GCIDE
  • Chess \Chess\, n. (Bot.) A species of brome grass (Bromus secalinus) which is a troublesome weed in wheat fields, and is often erroneously regarded as degenerate or changed wheat; it bears a very slight resemblance to oats, and if reaped and ground up with wheat, so as to be used for food, is said to produce narcotic effects; -- called also cheat and Willard's bromus. [U. S.] [1913 Webster]
  • Note: Other species of brome grass are called {upright chess}, soft chess, etc. [1913 Webster]