From French flanc (“flank, side”).

flanke c (singular definite flanken, plural indefinite flanker)

1. flank

• IPA^(key): /ˈflanke/
• Rhymes: -anke
• Syllabification: flan‧ke

flanke (lative flanken)

1. on the side

• ĉi-flanke (“on this side”)

• flanko (“side”)

• apud (“beside”)
• cis (“on this side of”)
• trans (“across, on the other side of”)