moosecall noun 2verb 1forms 3 noun2 •A horn, for example of birchbark, which imitates the bellow of a moose.A moosecall is a horn of birch bark used by hunters to imitate the roar and bellow of the bull moose. Hunters themselves disagree as to whether the moose is ever fooled by a moosecall. — 1948 •The noise made by this device.First of all, I could hear the handful of boos and moosecalls underneath the cheers as I took my place among the other Giants. — 2012 verb1 •To produce such a sound.Once I was just walking along innocently with Richie when all of a sudden, from down the hallway and around the corner, I hear this moosecall. I didn't even think. I just moosecalled back. — 2014 formsmoosecalled · moosecalling · moosecalls