by-blow Meaning, Definition & Usage

  1. noun the illegitimate offspring of unmarried parents
    bastard; whoreson; illegitimate; illegitimate child; love child.

WordNet

By"-blow` noun
Definitions
  1. A side or incidental blow; an accidental blow.
    With their by-blows they did split the very stones in pieces. Bunyan.
  2. An illegitimate child; a bastard.
    The Aga speedily . . . brought her [his disgraced slave] to court, together with her pretty by-blow, the present Padre Ottomano. Evelyn.

Webster 1913