obu zei sance zei-lujvo

x1 is a mid back rounded vowel sound produced by x2.

Synonyms: osnce, osna.

On affix form:

sance
x1 is sound produced/emitted by x2.
zekri
x1 (event/state) is a punishable crime/[taboo/sin] to people/culture/judges/jury x2.

In definition:

zeiljvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zejvo
x1 (text) is a Lojban compound predicate using the particle “zei”; with meaning x2, arguments x3, built from metaphor (tanru) x4.
zo si si zei fa'o
x1 is a nonsense zei-lujvo using parts x2, silly by standard x3.

In notes:

okar bu
letteral for open-o (ɔ)
osna
x1 is a mid back rounded vowel sound produced by x2.
osnce
x1 is a mid back rounded vowel sound produced by x2.
o'y (exp!)
letteral for o.