any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
a state of economic prosperity
a sudden happening that brings very good fortune
make a deep hollow sound; "Her voice booms out the words of the song"
make a resonant sound; as of artillery: "His deep voice boomed through the hall."
a pole carrying an overhead microphone projected over a film or tv set
grow stronger; "The economy was booming"
a deep prolonged loud noise
hit hard; "He smashed a 3-run homer"
be the case that thunder is being heard
a sudden happening that brings good fortune (as a sudden opportunity to make money); "the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed lik an assembly line"
make a resonant sound, like artillery; "His deep voice boomed through the hall"
be the case that thunder is being heard; "Whenever it thunders, my dog crawls under the bed"
a sudden happening that brings good fortune (as a sudden opportunity to make money)
