L. arcuatus, bowed. Arcuate nucleus of medulla oblongata. Internal arcuate fibers of medulla oblongata.

Bent like a bow, arching strongly.

arcus (bow).

Latin arcuatum = curved or arched.

Leaves with arcuate venation have veins that are curve towards the apex (tip).

Arched, bent like a bow.

Curved like a bow. ( 14)

curved so as to form about 1/4 of acircle or more.

Curved or bent.

Curving.

Curved like a bow, arc-shaped, bent along the apical axis