an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a scrap or morsel of food left at a meal.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
to equip with instruments, as a machine or manufacturing process: to instrument a space vehicle.
9.
to arrange a composition for musical instruments; orchestrate.
Origin: 1250–1300; Middle English < Latin instrūmentum equip-ment, equivalent to instrū-, stem of instruere to equip (see instruct) + -mentum-ment; see instruct
late 13c., "musical instrument," from O.Fr. instrument, from L. instrumentem "a tool, apparatus, furniture, dress, document," from instruere "arrange, furnish" (see instruct). Broader sense of "that which is used as an agent in an performance" is from mid-14c. Instrumental