Definitions for "Somite"
One of the actual or ideal serial segments of which an animal, esp. an articulate or vertebrate, is composed; somatome; metamere.
Greek soma = body, hence an embryonic body segment.
segmental block (ball) of mesoderm formed from paraxial mesoderm adjacent to notochord (axial mesoderm). Differentiates to form initially sclerotome and dermamyotome (then dermotome and myotome (More? Musculoskeletal Notes | Week 3 Notes)
Keywords:  epimere, see
see epimere.