(law, medicine) Done without fee, generally for clients or patients of limited means.

(law, medicine) Without charging a fee.

(of an allocation) In proportion to some factor that can be exactly calculated.

Occurring, undertaken, or performed as a perfunctory matter, in the interest of form, or for the sake of formality. / Of or relating to a document of form, especially an invoice sent in advance.

Undertaken or performed as a perfunctory matter, in the interest of form, or for the sake of politeness.

A document that shows the standard entries of a form or similar document.

(slang) A prostitute.

Abbreviation of in propria persona.

per procurationem; by the agency of (used when signing a letter in place of someone else)

(chiefly US) temporarily; for the time being