A journey or effort in pursuit of a goal (often lengthy, ambitious, or fervent); a mission.

The act of seeking, or looking after anything; attempt to find or obtain; search; pursuit.

(education) A short test.

(intransitive) To seek or pursue a goal; to undertake a mission or job.

(transitive) To search for something; to seek.

(entomology, of a tick) To locate and attach to a host animal.