noun, plural mon·o·po·di·a [mon-uh–poh-dee-uh] /ˌmɒn əˈpoʊ di ə/. Botany.
- a single main axis that continues to extend at the apex in the original line of growth, giving off lateral branches beneath in acropetal succession.
noun plural -dia (-dɪə)
- the main axis of growth in the pine tree and similar plants: the main stem, which elongates from the tip and gives rise to lateral branchesCompare sympodium
- A congenital malformation characterized by only one foot being externally recognizable.
- A main axis of a plant, such as the trunk of a spruce, that maintains a single line of growth, giving off lateral branches.