mossback

moss·back  (môsbk, ms-)

n.

1. An old shellfish or turtle with a growth of algae on its back.

2. An old, large, or sluggish fish.

3. An extremely conservative or old-fashioned person.

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mossbacked adj.

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mossback [ˈmɒsˌbæk]

n US and Canadian

1. (Life Sciences & Allied Applications / Zoology) an old turtle, shellfish, etc., that has a growth of algae on its back

2. Informal a provincial or conservative person

mossbacked  adj

Thesaurus

Noun

1.

mossback - an extremely old-fashioned conservative conservative, conservativist - a person who is reluctant to accept changes and new ideas