Incubate is a term used to describe the process of providing warmth and care to eggs or young animals in order to help them develop. The crossword solutions for this term are HEAT (4 letters), BROOD (5 letters), and HATCH (5 letters). HEAT is necessary to keep the eggs warm and provide the right environment for development. Brooding is the act of caring for the eggs or young animals, which can include providing food and protection. Finally, hatching is the process of the eggs or young animals emerging from their shells or nests.