ˌkäpōˈtä(ˌ)stō noun
( plural capotastos -(ˌ)stōz ; or ca·pi·ta·sti ˌkäpēˈtä(ˌ)stē)
Etymology: Italian, literally, chief key, from capo head, chief (from Latin caput head) + tasto key of a musical instrument, from tastare to feel, touch, from (assumed) Vulgar Latin tastare — more at head , taste
: a bar or movable nut attached to the fingerboard of a guitar or other fretted instrument to uniformly raise the pitch of all the strings