spawn

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The eggs of aquatic animals such as bivalve mollusks, fishes, and amphibians.
• noun Offspring, especially when occurring in large numbers.
• noun A product or an outcome.
• noun Mycelia of mushrooms or other fungi grown in specially prepared organic matter for planting in beds.
• intransitive verb To deposit eggs; produce spawn.
• intransitive verb To produce offspring in large numbers.
• intransitive verb To produce or deposit (spawn).
• intransitive verb To produce (offspring).
• intransitive verb To produce or give rise to.
• intransitive verb To plant with mycelia grown in specially prepared organic matter.

from The Century Dictionary.

• To produce or lay (eggs): said of a female fish, and by extension of other animals; hence, to generate. It is sometimes applied, in contempt, to human beings.
• To produce or lay eggs of the kinds called spawn, as a fish, frog, mollusk, or crustacean; by extension, to produce offspring: said of other animals, and, in contempt, of human beings.
• To issue, as the eggs or young of a fish: by extension applied to other animals, and to human beings, in contempt.
• noun The eggs or ova of various oviparous animals, as amphibians, fishes, mollusks, crustaceans, etc., when small and numerous, or extruded in more or less coherent masses; female roe.
• noun The spat of the oyster, from the time of the discharge of the egg until the shell is visible and the creature has become attached.
• noun Offspring of fish; very small fish; fry.
• noun Offspring in general; a swarming brood: applied, mostly in contempt, to human beings.
• noun In botany, the mycelium of fungi; the white fibrous matter forming the matrix from which fungi are produced.
• Containing spawn; spawning, or about to spawn; ripe, as a fish.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To produce or deposit (eggs), as fishes or frogs do.
• transitive verb To bring forth; to generate; -- used in contempt.
• noun The ova, or eggs, of fishes, oysters, and other aquatic animals.
• noun Any product or offspring; -- used contemptuously.
• noun (Hort.) The buds or branches produced from underground stems.
• noun (Bot.) The white fibrous matter forming the matrix from which fungi.
• noun (Zoöl.) a small American cyprinoid fish (Notropis Hudsonius) allied to the dace.
• intransitive verb To deposit eggs, as fish or frogs do.
• intransitive verb To issue, as offspring; -- used contemptuously.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive To produce or deposit (eggs) in water.
• verb transitive To generate, bring into being, especially non-mammalian beings in very large numbers.
• verb transitive To bring forth in general.
• verb transitive To induce (aquatic organisms) to spawn
• verb transitive To plant with fungal spawn
• verb intransitive To deposit (numerous) eggs in water.
• verb intransitive To reproduce, especially in large numbers.
• verb ergative, video games (To cause) to appear spontaneously in a game at a certain point and time.
• noun The numerous eggs of an aquatic organism
• noun Mushroom mycelium prepared for (aided) propagation
• noun by extension Any germ or seed, even a figurative source; offspring
• noun video games The location in a game where characters or objects spontaneously appear.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb call forth
• noun the mass of eggs deposited by fish or amphibians or molluscs
• verb lay spawn