Native speaker
In Emirati Arabic, “Knife” is سكينة (sikeena).
سكينة
Knife
It's in the phrasebook under At a restaurant, with 11 more like it.
shohka
maa'oon
koob
ma'laga
qohtee
faasooliya
Source: DLIFLC Emirati Basic Language Survival Kit (2007). Credits and licences