üˈyü(ˌ)kü noun
or ollu·co ōˈyü(ˌ)kō
( -s )
Etymology: American Spanish & Quechua; American Spanish ulluco, alluco, olluca, from Quechua ullucu
: an Andean plant ( Ullucus tuberosus ) of the family Basellaceae having a creeping stem that roots wherever it touches the ground and tuberous roots which are used in place of potatoes