1. adjective /tɹeɪd/
relating to or used in or intended for trade or commerce;
a trade fair; trade journals; trade goods.
2. noun /tɹeɪd/
a) The commercial buying and selling of goods and services.
The skilled trades were the first to organize modern labor unions.
b) International buying and selling of goods and services.
It is not a retail showroom. It is only for the trade.
3. verb /tɹeɪd/
a) To engage in trade
This company trades in precious metal.
b) To be traded at a certain price or under certain conditions.
stock trade
Wikipedia foundation.