incidental conversation; small talk; chitchat.
Origin of by-talk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for by-talk
Historical Examples of by-talk
To this bit of by-talk the Commissioner and Martin had been paying a desultory attention as they sipped their tea.The Locusts' Years
Mary Helen Fee