an undulating mass or rise of water

a sudden increase or rise in something

कुछ में अचानक वृद्धि

English Usage: There was a wave of enthusiasm among the crowd.

Hindi Usage: भवन में लोगों के बीच उत्साह की लहर थी।

to move one's hand to and fro in greeting or as a signal

to form or cause to form waves

लहरों को बनाना

English Usage: The wind began to wave the tall grass in the field.

Hindi Usage: हवा ने खेत में ऊंचे घास को लहराना शुरू किया।