Population Demographics for St Joseph, Minnesota in 2016 and 2015.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  spawn(verb) the mass of eggs deposited by fish or amphibians or molluscs. 2  engender, breed, spawn(verb) call forth. 3  spawn(verb) lay spawn. The salmon swims upstream to spawn.
Oxygen levels of the water, availability of food, size of each fish, age, number of times the fish has spawned before and water temperature are all factors known to effect when and how many eggs each carp will spawn at any one time.s a verb, spawn refers to the process of releasing the eggs and sperm, also called spawning. Most aquatic animals, apart from aquatic mammals, reproduce through a process of spawning. Spawn consists of the reproductive cells (gametes) of aquatic animals, some of which will become fertilized and produce offspring.