1. Measure from side to side.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• breith,
• brreath,
• braeth,
• readthe,
• breate,
• breaht,
• breade,
• breeth,
• breeath,
• braeath,
• breathd,
• breatk,
• dreadth,
• breaty,
• breadk,
• breaathe,
• brerath,
• breaden,
• beadth,
• breadt

• breath,
• bread,
• breth,
• Brodt,
• bride,
• brute,
• brady,
• bratty,
• brood,
• brit,
• Bret,
• bradt,
• breathe,
• braud,
• brad,
• braddy,
• Brite,
• braid,
• brat,
• brode,
• brith,
• brut,
• bryd,
• Breda,
• broth,
• brideau,
• Brede,
• BRATT,
• breed,
• broad.

The adjective form of the word "breadth" is "broad" or "wide".

The plural of the "breadth" can be the "breadths".

The singular of the "breadth" can be the "breadth".