Valmiki Ramayana Bala Kanda Sarga 75 Shloka 17

तदा then, हुङ्कारेण with 'Humkara' by Visnu, भीमपराक्रमम् dreadful prowess, शैवं धनु: Siva's bow, जृम्भितं yawned (stretched), अथ thereafter, त्रिलोचन: threeeyed, महादेव: Mahadeva, स्तम्भित: was made motionless.

Then, with the 'Humkara' produced by Visnu, Siva's bow of dreadful prowess was stretched, which struck the threeeyed Mahadeva motionless.