Answer:
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
I am often sold by children entrepreneurs in summer time
I am lighter than air, but a hundred people cannot lift me. Careful, I am fragile. What am I?
The warmer I am the fresher I am.
I row quickly with four oars but never comes out from under my own roof.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.