To see (someone or something) without foreplanning or unexpectedly.
To find out or observe (someone or something, especially if not easy to see) by spying or looking; to catch sight of; to see; to spot.
To anticipate something eagerly.
To use one's tongue to remove moistness from the sides of one's mouth, as when salivating or at the conclusion of a meal.
To look forward avidly to eating something.