n. [ L., a little saw. ] (Zool.) The red-breasted merganser. [ 1913 Webster ]

{ } a. [ L. serrula a little saw, dim. of serra a saw. ] Finely serrate; having very minute teeth. [ 1913 Webster ]

n. 1. The state of being notched minutely, like a fine saw. Wright. [ 1913 Webster ]

2. One of the teeth in a serrulate margin. [ 1913 Webster ]