Third-person singular simple present indicative form of boom.(verb)
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Use "booms" in a sentence
"Even if millions of Americans suddenly had the wherewithal to acquire a new or bigger home, or were simply content to hang on to what they've got, many of the critical factors that feed longer-term booms are fading away."
"The day following I was desperate, and I rafted together the foremast, the fore and main booms, and the fore and main gaffs."
"It is, of course, now established that the bittern "booms" -- not in the mud -- but in the air."