An embryo is the early stage of development in a living organism. It is the first stage of life after fertilization and before birth. The term 'embryo' can refer to different stages of development, depending on the species. In humans, the term 'embryo' refers to the period from fertilization to 8 weeks of gestation. The crossword solutions for the term 'embryo' include GERM (4 letters), BUD (3 letters), FOETUS (6 letters), SEED (4 letters), FETUS (5 letters), EGG (3 letters), GASTRULA (8 letters), and OVULE (5 letters). These terms all refer to different stages of embryonic development, from the initial fertilized EGG to the formation of the fetus.