in the time of wheat harvest - that is, about the end of our April, or the beginning of our May. The shocks of grain were then gathered into heaps, and lying on the field or on the threshing-floors. It was the dry season, dry far beyond our experience, and the grain in a most combustible state.
Samson visited his wife with a kid - It is usual for a visitor in the East to carry some present; in this case, it might be not only as a token of civility, but of reconciliation.
he said - that is, to himself. It was his secret purpose.
into the chamber - the female apartments or harem.