Yes, a bloom. Seeds can only form if pollination occurs. For pollination to occur, assuming it is a Chamaedorea, there must be both male & female plants blooming at the same time, and transfer of pollen from the male to the female.
If you are curious about the ID of your palm, you can start a quest to compare to pics of parlor palm, C. elegans, here:
Parlor Palm (Chamaedorea elegans)
and cat palm, C. cataractarum, here:
Cat Palm (Chamaedorea cataractarum)