Meaning of ONSET in English
noun a setting about; a beginning.
2. onset ·vt to set about; to begin.
3. onset ·vt to assault; to set upon.
4. onset ·noun anything set on, or added, as an ornament or as a useful appendage.
5. onset ·noun a rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
Webster English vocab. Английский словарь Webster. 2012