xts'iiḵ [x/*ts'iiḵ]
common noun. ribbon worm (usage: Found when you're digging for clams)
../mp3s/x/xts'iik-dl-hb-03.mp3 Heelda xts'iiḵ a łüü liploop. There's lots of ribbon worms under rocks.

Related entries: Dialectal Variant xts'iił  ribbon worm

Bibliographic sources: Dunn, Practical Dictionary entry: 2197.
Source: Draft Dictionary entry.