Definition of botony in US English:

botony

(also botonée)

adjective

Heraldry
  • Of a cross: having arms which terminate in an ornament of three rounded knobs or buds resembling a three-lobed leaf. Chiefly as postpositive.

Origin

Mid 16th century; earliest use found in Gerard Legh (d. 1563), heraldic writer. From Anglo-Norman botoné, botonee and Middle French boutoné, boutonné, use as adjective of the past participle of botoner, boutonner to cover with studs from boton, bouton bud, stud, button.

Pronunciation

botony

/ˈbɒtəʊni/