Teach everybody how you say it using the comments below!! Pronunciation of trench mortar with 1 audio pronunciation, 3 synonyms, 13 translations and more for trench mortar. Pronunciation of Brick a mortar with 1 audio pronunciation and more for Brick a mortar. mortar pronunciation. Learn more. How to say trench mortar in English? How to say building mortar in English? How to use mortar in a sentence. Mortar definition is - a sturdy vessel in which material is pounded or rubbed with a pestle. How to say mortar. Pronunciation of building mortar with 1 audio pronunciation, 1 synonym, 15 translations and more for building mortar. How to say brick-and-mortar. Learn more. Have we pronounced this wrong? Listen to the audio pronunciation in English. Listen to the audio pronunciation in the Cambridge English Dictionary. Trying to study English? How to pronounce brick-and-mortar. How to say Brick a mortar in English?