mat'iibn [ma/*t'ii/bn]
Stem with modifying proclitic composed of: ma̱=  be like something, t'iibn  sea lion
common noun. person with webbed fingers
Ha'waka ndi niis naał mat'iibnt. I have never seen anyone with webbed fingers.

Bibliographic sources: Dunn, Practical Dictionary entry: 1406.
Source: Draft Dictionary entry.