earnest and conscientious activity intended to do or accomplish something; "made an effort to cover all the reading material"; "wished him luck in his endeavor"; "she gave it a good try"
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water
the remission by the pope of the temporal punishment in purgatory that is still due for sins even after absolution; "in the Middle Ages the unrestricted sale of indulgences by pardoners became a widespread abuse"
the act of indulging or gratifying a desire
a disposition to yield to the wishes of someone; "too much indulgence spoils a child"
an inability to resist the gratification of whims and desires