What does "oily" mean?

Oily: Covered with oil; greasy; hence, resembling oil; as, an oily appearance.

Additional senses

  1. 2.Smoothly subservient; supple; compliant; plausible; insinuating. "This oily rascal." Shak. His oily compliance in all alterations. Fuller. Oily grain (Bot.), the sesame. -- Oily palm, the oil palm.

Sources