Definition of "chime in" []

• To talk; to join in conversation or discussion. (verb)
• To agree, to harmonize, to concord. (verb)

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• "Most biologists will tell you that geographical isolation is the normal prelude to speciation, although some, especially entomologists, may chime in with the reservation that ‘sympatric speciation’ can also be important."
• "Fashionably relativist intellectuals chime in to insist that there is no absolute truth: whether the Holocaust happened is a matter of personal belief; all points of view are equally valid and should be equally ‘respected’."
• "These plants are sometimes called lion's-foot, rattlesnake-root, but the name of Bird-bell is the most pleasing, and was probably given them from their flowering about the time when the birds collect in flocks, preparatory to their flight southward, as though the blossoms rung a warning chime in the woods, to draw them together."