Grilse
/ɡrɪls/
Definition 1 of 1
Pro Tip 1/3Fish Lifecycle
Understand that 'grilse' is specific to the salmon's life cycle and reproductive journey. 
Biologists tagged several grilse to study their migration patterns.
Pro Tip 2/3Angling Term
'Grilse' is often used by fishermen and in fishing reports to describe young returning salmon. 
Anglers are reporting an increase in grilse numbers this season.
Pro Tip 3/3Natural Setting
'Grilse' refers to an event in nature, so it's mostly used in outdoor, wildlife, and environmental contexts. 
The grilse leapt upstream, overcoming the river's current.