involucrum

noun
in·​vo·​lu·​crum | \ ˌin-və-ˈlü-krəm How to pronounce involucrum (audio) \
plural involucra\ ˌin-​və-​ˈlü-​krə How to pronounce involucra (audio) \

Definition of involucrum

: a surrounding envelope or sheath

First Known Use of involucrum

1657, in the meaning defined above

History and Etymology for involucrum

New Latin, sheath, involucre, from Latin, wrapper, from involvere to wrap

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The first known use of involucrum was in 1657

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involucrum

noun
in·​vo·​lu·​crum | \ ˌin-və-ˈlü-krəm How to pronounce involucrum (audio) \
plural involucra\ -​krə How to pronounce involucra (audio) \

Medical Definition of involucrum

: a formation of new bone about a sequestrum (as in osteomyelitis)

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