watch ‧ word /ˈwɒtʃwɜːd $ ˈwɑːtʃwɜːrd, ˈwɒːtʃ-/ BrE AmE noun [singular]
a word or phrase that expresses an attitude or belief:
Environmental quality will be the watchword for the 21st century.
watch ‧ word /ˈwɒtʃwɜːd $ ˈwɑːtʃwɜːrd, ˈwɒːtʃ-/ BrE AmE noun [singular]
a word or phrase that expresses an attitude or belief:
Environmental quality will be the watchword for the 21st century.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012