| Common Name | Butter clam |
| Language | English |
| Type | Vernacular |
| Official Trade Name | No |
| Rank | 3 - (Other common name) |
| Country | United States (contiguous states) |
| Locality | Puget Sound, Washington |
| Ref. | Bradbury, A., B. Blake, C. Speck, D. Rogers, 2005 |
| Life Stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st Modifier | morphology |
| 2nd Modifier | |
| Remarks | 'clam', from Middle English 'clam', i.e., 'clamp'. |