Mainly used in biology to describe organisms that don't fit into traditional male or female categories. Earthworms are hermaphrodites and can reproduce without a partner.
Pro Tip 2/3
Cultural Sensitivity
Be sensitive using this term regarding people; non-biological contexts may prefer 'intersex' or gender identity terms. It's important to use 'intersex' when discussing human biological characteristics rather than 'hermaphrodite'.
Pro Tip 3/3
Sequential Differences
Some hermaphrodites change sex during their life, known as sequential hermaphroditism. The clownfish starts life as male and may later become female, making it a sequential hermaphrodite.