Is a goose male or female?

Do you mean is it a masculine or a feminine noun, or are you asking whether the name 'goose' refers to the male or the female bird? If the former then there are no masculine or feminine nouns in the English language- if the latter, then a goose would be the female bird, as the male is called the gander. However, the Word is commonly used to describe the type of bird in general regardless of gender.