towerletn.
Etymology: < tower n.1 + -let suffix.Previous versions of the OED give the stress as: ˈtowerlet.
a1851 J. Baillie Beacon ii. i. 96 in (1851) 306 Our guiding star Now from its towerlet streameth far.
This entry has not yet been fully updated (first published 1913; most recently modified version published online June 2019).