seed/ siːd /

1.noun [of plant] [ fruit] 


2.noun [c] 
(beginning) 萌芽

3.noun [c] [Tennis] 
种子选手

4.vt.
to be seeded nine/fifteenth {etc} 第9/15{等}号种子选手

to plant {or} sow a seed
播种
5.vt.
(in sb's mind) 播下…的种子

to go {or} run to seed
 [plant+] 花谢结籽
6.vt.[person] [ institution+] 
走下坡路