Boom v. i. [imp. & p. p. Boomed p. pr. & vb. n. Booming.]
1. To cry with a hollow note; to make a hollow sound, as the bittern, and some insects.
At eve the beetle boometh
Athwart the thicket lone. --Tennyson.
2. To make a hollow sound, as of waves or cannon.
Alarm guns booming through the night air. --W. Irving.
3. To rush with violence and noise, as a ship under a press of sail, before a free wind.
She comes booming down before it. --Totten.
4. To have a rapid growth in market value or in popular favor; to go on rushingly.