Kalmar “gimballed” tana nufin wani abu da aka ɗora a kai ko kuma aka dakatar da shi daga wani sashe na goyan baya waɗanda ke ba shi damar kasancewa daidai ko kuma karkata zuwa ga wata hanya, ba tare da la’akari da kowane motsi ko karkatar da tushe ko kewaye ba. Ana amfani da irin wannan nau'in hawan ko dakatarwa a cikin mahallin ruwa ko na jirgin sama don kiyaye kayan aiki ko kayan aiki dalla-dalla kuma a tsaye ko da a cikin yanayi mara kyau ko rashin daidaituwa. Kalmar "gimballed" ta samo asali ne daga sunan "gimbal," wanda shine na'urar inji mai kunshe da goyan baya biyu ko fiye da haka