| aftershaft | (n) a supplementary feather (usually small) on the underside of the base of the shaft of some feathers in some birds |
| aftershafted | (adj) having an aftershaft (a small feather at the base of some feathers) |
| Aftershaft | n. (Zool.) The hypoptilum. [ 1913 Webster ] |
| aftershafted | adj. |