Lower boom Synonyms

Lower replaced

secondary boom

Definitions for Lower

(adjective) having not so great importance or rank as another
(adjective) situated lower down
(verb) to cause to fall intentionally or unintentionally

LB abbreviation

LB is an abbreviation for Lower Boom

What does LB stand for?

LB stands for "Lower Boom"

Boom replaced

Definitions for Boom

(noun) a loud explosive sound
(verb) to become greater in size, extent, volume, amount, or number
(verb) to make a long loud deep noise or cry