Definition of bipinnate in English:

bipinnate

adjective

Botany
  • (of a pinnate leaf) having leaflets that are further subdivided in a pinnate arrangement.

    • ‘The bright green bipinnate leaves are up to 15 cm long.’
    • ‘It is a graceful arching fern with fronds that are generally bipinnate, although the basal pinnae are tripinnate.’
    • ‘They bear bipinnate leaves with small, oval to lanceolate leaflets.’
    • ‘Some are bipinnate, triangular in shape and have finely cut or toothed leaflets.’
    • ‘Most Australian species of Acacia have bipinnate leaves, as least when they are in the seedling stage.’

Pronunciation:

bipinnate

/bīˈpinˌāt/