Noun
the act of propping up with shores
Source: WordNetAlthough biodiversity loss continues globally, many countries are significantly slowing the rate of loss by shoring up protected natural areas and the services they provide, and in expanding national park systems with tighter management and more secure funding. Helen Clark
Empires were like seawalls, he thought sadly, even those which embodied the best of hopes. The tide of chaos beat at them, and as soon as no one was shoring up the stones any more... Tad Williams