The adj usual has 2 senses (first 2 from tagged texts)
1. (29) usual -- (occurring or encountered or experienced or observed frequently or in accordance with regular practice or procedure; "grew the usual vegetables"; "the usual summer heat"; "came at the usual time"; "the child's usual bedtime")
2. (2) common, usual -- (commonly encountered; "a common (or familiar) complaint"; "the usual greeting")