To cause to cease being a mother; to kill or otherwise remove (a mother's) children. / To cause to cease having a mother or to fail to mother properly.

A knife for cutting fresh herbs / A mezzaluna used to chop culinary herbs

A steel rod that stabilises the neck of a guitar

(US, politics) Acronym of Deferred Action for Childhood Arrivals.. From the U.S. presidential executive order Deferred Action for Childhood Arrivals.