Kalmar "lavalier" tana nufin wani kayan ado, yawanci abin lanƙwasa ko abin wuya, wanda ake sawa kusa da wuyansa kuma yana da ɗan ƙaramin kayan ado wanda ya rataye. Ana amfani da kalmar "lavalier" sau da yawa don kwatanta abin wuya wanda ke nuna dutse ɗaya ko laya da aka rataye daga sarka mai laushi. An yi imanin cewa kalmar ta samo asali ne daga sunan Louise de La Vallière, wata uwargijiyar sarki Louis XIV na Faransa, wanda aka ce ya yi irin wannan salon kayan ado.