spoker is a form of:

Spoke



Past form of: Speak
noun
1.
(one of the bars or wire rods that connect the center or hub of a wheel to its rim, a ladder rung) ផែន (ថ្នាក់សំបុកឃ្មុំ), ថ្នាក់ទូ, អ្វីម៉្យាង, កាំកង់ (កាំ), កាំជណ្ដើរ, លំដាប់, ជាន់, ថ្នាក់, កាំ (កង់រទេះ ។ល។)
ENGLISH MEANING
noun
1.
The radius or ray of a wheel; one of the small bars which are inserted in the hub, or nave, and which serve to support the rim or felly.
2.
A projecting handle of a steering wheel.
3.
A rung, or round, of a ladder.
4.
A contrivance for fastening the wheel of a vehicle, to prevent it from turning in going down a hill.
verb
1.
(TRANSITIVE) To furnish with spokes, as a wheel.