[tur-suh
l] 
| the male of a hawk, esp. of a gyrfalcon or peregrine. |
| ter·cel (tûr'səl) n. A male hawk used in falconry. [Middle English, from Old French terçuel, from Vulgar Latin *tertiōlus, diminutive of Latin tertius, third; see trei- in Indo-European roots.] |