'Form' in the Bible

And after these [things], he appeared in a different form to two of them [as they] were walking, [while they] were going out into the countryside.

and the Holy Spirit descended on him in bodily form like a dove, and a voice came from heaven, "You are my beloved Son; with you I am well pleased."

And the Father who sent me, that one has testified about me. You have neither heard his voice at any time nor seen his form.

{He wrote} a letter that had this form:

and those who make use of the world as [if they] do not make full use of [it]. For the present form of this world is passing away.

who, existing in the form of God, did not consider being equal with God something to be grasped,

but emptied himself [by] taking the form of a slave, [by] becoming in the likeness of people. And being found in appearance like a man,

Abstain from every form of evil.

maintaining a form of godliness, but denying its power. Avoid these [people].

For the law, possessing a shadow of the good [things] that are about to come, not the form of things itself, [is] never able {year by year} by means of the same sacrifices which they offer without interruption to make perfect those who draw near.