(pathology) A hernia at the site of the umbilicus (navel).

A container in which umbrellas are kept when drying or not in use.

Having the color of a green olive with a brown tint.

A stone pine.

A selenide mineral, with chemical formula Cu₃Se₂, blue to red in color.

(dated, computing) Initialism of upper memory block.

(computing) Initialism of unified memory access. / (dated, computing) Initialism of upper memory area. / Initialism of union membership agreement.

plural of umbrella term

plural of umbrella company

(UK) A company that acts as an employer to fixed-term contractors, usually through an employment agency.