1. Pertaining to or containing or consisting of semen
   "seminal fluid" 
2. Containing seeds of later development
   "seminal ideas of one discipline can influence the growth of another"
   - germinal, originative

See also: original, semen

• turnpike
• turnround
• turnspit
• turnstile
• turnstone
• turntable
• turnup
• turnverein
• TURP
• turpentine
• turpentine camphor weed
• turpentine weed
• turpeth
• Turpin
• turpitude
• turps
• turquoise
• turreae
• turret
• turret clock
• turreted
• Turritis
• Turritis glabra
• Tursiops
• Tursiops gilli