say it: KWAY-vur
quaver is a noun and verb meaning "a tremulous sound". It carries 4 recorded senses.
a tremulous sound
a musical note having the time value of an eighth of a whole note
give off unsteady sounds, alternating in amplitude or frequency
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for quaver come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.