| n. pl. | 1. | (Zool.) An order of fishes generally having the maxillary bone united with the premaxillary, and the articular united with the dentary. |
| Noun | 1. | Plectognathi - boxfishes; filefishes; globefishes; ocean sunfishes; triggerfishes; puffers Synonyms: order Plectognathi, order Tetraodontiformes |