1) Compound 2) Of a leaf shape 1) Compound 
twice pinnate; for example of a compound leaf with individual leaflets pinnately divided.
2-pinnate; twice pinnately divided
• (a.) Alt. of Bipinnated
Doubly or twice pinnate. (Bipinnately compound).
twice pinnately compound
A leaf were both primary and secondary divisions are formed of lobes arranged as in a feather.
Pinnate, with pinnate leaflets.
<botany> Of leaves, twice pinnately divided. ... Compare: pinnate, tripinnate. ... (19 Jan 1998) ... 
twice pinnately compound
Twice-pinnate; when the primary divisions are pinnate.
Doubly or twice pinnate. (Bipinnately compound).
A pinnate compound leaf whose leaflets, in turn, are stems that have pinnate leaflets.
Compound leaf structures with a feather-like formation of leaflets arranged in pairs, with each leaflet also pinnately divided into pairs.
Describing a pinnate leaf in which the leaflets themselves are further subdivided in a pinnate fashion.
Describing a pinnate leaf in which the leaflets themselves are further subdivided in a pinnate fashion.
[adj] - of a leaf shape
adjective of a leaf shape; having doubly pinnate leaflets (as ferns)
pinnate, as a leaf, with the divisions also pinnate.