avenue of honour
memorial avenue of trees, with each tree symbolising a person, most commonly as a memorial to the war dead
en-US/ˈævəˌnu ʌv ˈɑnɚ/
en-GB/ˈævəˌnjuː əv ˈɒnə/
memorial avenue of trees, with each tree symbolising a person, most commonly as a memorial to the war dead