n.
1.emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species
2.a section of a musical composition or movement in which themes introduced earlier are repeated
3.a summary at the end that repeats the substance of a longer discussion
Idiom of the Day
fiddle around
to tinker with something, to do something in an unplanned way
I tried fiddling around with the computer printer but it still will not work.