English Dictionary

notion

/ˈnəʊʃən/

noun

Mental apprehension of whatever may be known, thought, or imagined; idea, concept. / A sentiment; an opinion. / (obsolete) Sense; mind. / (colloquial) An invention; an ingenious device; a knickknack.

The notion of time is relative.

意味（1）

Mental apprehension of whatever may be known, thought, or imagined; idea, concept.

What hath been generally agreed on, I content myself to assume under the notion of principles.

意味（2）

A sentiment; an opinion.

The extravagant notion they entertain of themselves.

意味（3）

(obsolete) Sense; mind.

Who wrought with them, and all things else that might / To half a soul and to a notion crazed / Say, 'Thus did Banquo.'

意味（4）

(colloquial) An invention; an ingenious device; a knickknack.

Yankee notions

意味（5）

Any small article used in sewing and haberdashery, either for attachment to garments or as a tool, such as a button, zipper, or thimble.

意味（6）

(colloquial) Inclination; intention; disposition.

I have a notion to do it.