crib
noun
a child's bed with enclosed sides.
Used to express actions, events, or states that have not yet occurred but are expected to happen.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Well, the first thing I did was to keep the hoss's head tied high in the daytime, because no hoss will crib unless he can get his head down.
From Old Man Curry Race Track Stories by Charles E. (Charles Emmett) Van Loan