بمبَمٌّ [The bass in music; used in this sense in the present day: or particularly the bass notes of the lute: in this sense F seems to have understood the saying of ISd that] the بَمّ of the lute is well known: (M, K: [in the CK, البَمَّ مِنَ العُوْدِ او الوَتَرِ الخ is erroneously put for البَمُّ مِنَ العُودِ م أَوِ الوَتَرُ الخ:]) or (so in the K) it is the thick [or bass] chord of the lute: (S, K:) the word is foreign: (M:) [in Persian بَمْ:] Az says that it is not Arabic. (TA.) بُمٌّ i. q. بُومٌ, q. v. (K.)