Meaning of (गुम्ना) gumna in english
As noun :
screw Ex:  iron ring which ends in screw and serves to raise the coopers last fluke bottom of a barrel to make it into the groove
Exampleगुम्ना का हिन्दी मे अर्थ
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(गुम्ना) gumna
can be used as noun.No of characters: 6 including consonants matras.
Transliteration :
gumnaa