Yes, dippers is a Scrabble word!

Noun

1. A Baptist denomination founded in 1708 by Americans of German descent; opposed to military service and taking legal oaths; practiced trine immersion

2. A ladle that has a cup with a long handle

3. A cluster of seven stars in Ursa Minor; at the end of the dipper's handle is Polaris

4. A group of seven bright stars in the constellation Ursa Major

5. Small North American diving duck; males have bushy head plumage

6. Small stocky diving bird without webbed feet; frequents fast-flowing streams and feeds along the bottom