Definitions

1. adjective

of or relating to kelp or kelp forests

“The kelpy coastline is home to a variety of marine life.”

2. adjective

resembling or suggestive of kelp, especially in being tangled or knotted

“The kelpy seaweed strands were difficult to untangle.”

3. noun

a kelp forest or a mass of tangled kelp

“The ship got caught in the kelpy waters.”