/mid"mawr"ning/ , n.
1. the middle of the morning; the time centering around the midpoint between early morning and noon.
adv.
2. in the middle of the morning: He usually arrives midmorning.
adj.
3. occurring during, taking place in, or pertaining to the middle of the morning: our midmorning coffee break.
[ 1900-05; MID- + MORNING ]