An aside, an act of straying from the main subject in speech or writing.
The act of straying from the main subject in speech or writing, (rhetoric) particularly for rhetorical effect.
An elongation, a deflection or deviation from a mean position or expected path.
A sidelong look, particularly of animosity, judgment, or suspicion.
To look at out of the corner of one's eye, particularly with animosity, or in a judgmental or suspicious manner.