[treɪd], (Noun)

Definitions:
- the action of buying and selling goods and services
(e.g: a move to ban all trade in ivory)

- a job requiring manual skills and special training
(e.g: the fundamentals of the construction trade)

- a trade wind
(e.g: the north-east trades)


Phrases:
- trade places

Origin:
late Middle English (as a noun): from Middle Low German, literally ‘track’, of West Germanic origin; related to tread. Early senses included ‘course, way of life’, which gave rise in the 16th century to ‘habitual practice of an occupation’, ‘skilled handicraft’. The current verb senses date from the late 16th century

[treɪd], (Verb)

Definitions:
- buy and sell goods and services
(e.g: middlemen trading in luxury goods)

- exchange (something) for something else, typically as a commercial transaction
(e.g: they trade mud-shark livers for fish oil)


Phrases:
- trade places

Origin:
late Middle English (as a noun): from Middle Low German, literally ‘track’, of West Germanic origin; related to tread. Early senses included ‘course, way of life’, which gave rise in the 16th century to ‘habitual practice of an occupation’, ‘skilled handicraft’. The current verb senses date from the late 16th century