There were additional prizes for winning sequences of numbers, three in a row being a tern and four a quatern.
The terno seco, or "straight" tern , differs from the plain tern in being governed by some special conditions that heighten still more the risk, such as the requirement that the player must stake all on his ‘terno’, without the right, should he miss part of his three numbers, to claim the benefit of the resulting ‘ambo’ or ‘extracto’.
While there are few wild animals in Iceland, there is abundant birdlife - ducks, geese and, among the many sea-birds I spotted, petrels, puffins, tern , gannets, skuas and shearwaters.
Three lemons in a row on a fruit machine could be called a ' tern '.
Rhia was amazed that the marine birds - gulls, terns and cormorants - went about their business as though the weather were of little consequence.
Even in Scotland, which has some thriving water-bird populations, species such as shag, arctic skua, herring gull, kittiwake and terns are under threat.
The waters surrounding Pigeon Island offer great fishing for sea birds including gulls, terns and the brown booby.
Unlike many larger terns , the Common Tern does not have a crest.
You may also observe jaegers, terns , and petrels as they make their long ocean journey and be rewarded with views of flying fish and the occasional humpback whale.
Although terns are closely related to seagulls, sharing a general black-and-grey pattern of plumage with their cousins, they have slim silvery bodies and deeply forked tails.