The star Orion was not known as the "armpit of a giant" in any ancient or modern culture. That's an incorrect association.

Orion is a constellation, not a single star, and it's been associated with a variety of figures and stories across different cultures.

Here are some common interpretations:

* Greek Mythology: Orion is often depicted as a giant hunter, sometimes associated with the goddess Artemis.

* Babylonian Mythology: Orion was known as "the faithful shepherd."

* Egyptian Mythology: Orion was associated with the god Osiris.

While various myths exist, the "armpit of a giant" association is simply not a part of them.