heavy spar मीनिंग इन हिंदी

The explosion ships succeeded in breaking the mile-long boom of heavy spars and chains the French had placed to block the British ships from engaging the French.
The Battle of Basque Roads was initiated when the British sent several explosion ships into the Roads to blow holes in a mile-long " boom " of heavy spars and chains the French had placed to prevent enemy vessels from reaching their warships.

संज्ञा.

a white or colorless mineral (BaSO4); the main source of barium
पर्याय: barite, barytes, barium sulphate