1. cocoon - Noun
2. cocoon - Verb
An oblong case in which the silkworm lies in its chrysalis state. It is formed of threads of silk spun by the worm just before leaving the larval state. From these the silk of commerce is prepared.
The case constructed by any insect to contain its larva or pupa.
The case of silk made by spiders to protect their eggs.
The egg cases of mucus, etc., made by leeches and other worms.
Source: Webster's dictionaryA child-like man is not a man whose development has been arrested; on the contrary, he is a man who has given himself a chance of continuing to develop long after most adults have muffled themselves in the cocoon of middle-aged habit and convention. Aldous Huxley
If I look upon my whole life, I cannot think of another time when I felt more comfortable: when I had no worries, fears, or desires, when my life seemed as soft and lovely as lying inside a cocoon of rose silk. Amy Tan
There is no help for you outside of yourself; you are the creator of the universe. Like the silkworm you have built a cocoon around yourself.... Burst your own cocoon and come out as the beautiful butterfly, as the free soul. Then alone you will see Truth. Swami Vivekananda
Nowadays we raise our children in a cocoon of domesticated security, far from any sense of risk or adventure. Alan Hirsch
I felt that I was dying, and perhaps I did die a little, or rather began to die in the way that the cocoon of the chrysalis cracks at the end of winter; but unfortunately I did not die so thoroughly that I achieved new life like a butterfly. Halldór Laxness
The mind can weave itself warmly in the cocoon of its own thoughts, and dwell a hermit anywhere. James Russell Lowell