Let's start with some context and a more formal definition.

There is no formal or legal definition for plant milk.

And there's a formal definition for what a common carrier is.

However, the term has an entirely different formal definition as given below.

Formal definitions, first devised in the early 19th century, are given below.

In recent years, several formal definitions of the term have been proposed by various organizations.

As such there is no formal definition for its cities and towns.

No formal or legal definition for plant cream exists in most countries.

The start state is given in the formal definition of the automaton.

It has no formal definition but is taken as around 30 inches (760 mm).