yack

Etymology 2
Dialectal form.

Noun

 * 1)  An oak.
 * 2) * 1877, Gibson, Leg. and Notes 50:
 * If 't ash tree buds before 't yack,

Noun

 * 1)  A watch timepiece.

Etymology
, from.

Noun

 * 1) yak (ox-like mammal)