trundlehead

English

Etymology

From trundle +‎ head.

Noun

trundlehead (plural trundleheads)

1. One of the disks forming the ends of a lantern wheel or pinion.
2. The drumhead of a capstan, especially the drumhead of the lower of two capstans on the same axis.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “trundlehead”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)