an electromechanical extension of a spacecraft that is used to retrieve or deploy objects in outer space.
Origin of Canadarm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a type of robotic arm, developed in Canada, used on space vehicles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012