Per-tūse' or Per-tūsed', a.
[Lat. pertusus, p. p. of pertundere, to beat, push, or thrust through, to bore through, from the prefix per, through, and tundere, to beat; Fr. pertus.]
Sense 1. Punched; pierced with holes.
Sense 2. (Bot.) Perforated or pierced irregularly with holes.