hiss

She had just succeeded in curving it down into a graceful zigzag, and was going to dive in among the leaves, which she found to be nothing but the tops of the trees under which she had been wandering, when a sharp hiss made her draw back in a hurry: a large pigeon had flown into her face, and was beating her violently with its wings.

The answer was a perfectly indescribable hiss, and Mowgli kicked up his feet behind, clapped his hands together to applaud himself, and jumped on to Bagheera’s back, where he sat sideways, drumming with his heels on the glossy skin and making the worst faces he could think of at Baloo.

Darzee and his wife only cowered down in the nest without answering, for from the thick grass at the foot of the bush there came a low hiss--a horrid cold sound that made Rikki-tikki jump back two clear feet.

He heard her savage hiss as the stroke missed.