rostellar


ros·tel·lum

R0312300 (rŏ-stĕl′əm)n. pl. ros·tel·la (rŏ-stĕl′ə) A small beaklike part, such as a projection on the stigma of an orchid or the hooked projection on the head of a tapeworm.
[Latin, diminutive of rōstrum, beak; see rostrum.]
ros·tel′lar adj.