Bud in botany refers to the part of a plant that contains the reproductive organs. The two crossword solutions for this term are LOU (3 letters) and SELIG (5 letters). LOU is an abbreviation for lateral outgrowth, which is a type of bud found on some plants. SELIG is an abbreviation for vegetative shoot apical meristem, which is a type of bud found on other plants. Both types of buds are important for the reproduction of plants.