Used attributively to modify another noun, e.g., "spawning season".
Definitionen
Relating to, occurring during, or characteristic of spawning. Conservationists closed the river to fishing during the spawning season.
spawninggerundium / partizip präsens Used attributively as a participial adjective, e.g., "spawning salmon"
Definitionen
In the process of depositing eggs for reproduction. Spawning fish congregated near the river mouth.