(linguistics) The hypothetical common ancestor of the Pama-Nyungan languages.

A proposed common ancestor to the group of Western Malayo-Polynesian languages.

A proposed common ancestor to the group of Eastern Malayo-Polynesian languages.

A proposed common ancestor to the group of Central Malayo-Polynesian languages.

A proposed common ancestor to the group of Central-Eastern Malayo-Polynesian languages.

(physics) A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.

An original form or object which is a basis for other forms or objects (particularly manufactured items), or for its generalizations and models.

(transitive) To create a prototype of.

(now chiefly historical) The minutes, or official record, of a negotiation or transaction; especially a document drawn up officially which forms the legal basis for subsequent agreements based on it.

(obsolete, transitive) To make a protocol of. / (obsolete, intransitive) To make or write protocols, or first drafts; to issue protocols.