Meaning
A scabbard or sheath for a sword.
See it in the verse
Niyaam in Iqbal’s couplets
Ishq ki tegh-e-jigar-dar uda li kis ne
Ilm ke haath mein khali hai niyam ai saqi
Ilm ke haath mein khali hai niyam ai saqi
Who has carried off love's brave, heart-piercing sword? Knowledge holds only an empty scabbard now.
Love · Action · Courage
Zara taqdir ki gahraiyon mein dub ja tu bhi
Ki is jangah se main ban ke tegh-e-be-niyam aaya
Ki is jangah se main ban ke tegh-e-be-niyam aaya
Plunge, you too, into the depths of destiny; from that battlefield I emerged as a drawn, unsheathed sword.
Courage · Action · Adversity