spika

Etymology
From.

Noun

 * 1) conversation, speech, talk

Etymology
.

Noun

 * 1) speaker device to amplify sound

Noun

 * 1)  speaker presiding member in a legislative body

Verb

 * 1) to nail (employ a nail as a fastener)
 * 2) to fix a formerly tentative decision
 * 3) to publicize a dissertation or PhD thesis
 * 4)  to do perfectly, to get full points (on a test or an exam)