plural of tunnel boring machine

(engineering) A large machine used to excavate tunnels with a circular cross section.

(uncountable) The state of being bored. / (countable) An instance or period of being bored; A bored state.

(Ireland) A narrow, frequently unpaved, rural road in Ireland, often characterised by a ridge of grass growing in the middle.

The aurora of the northern hemisphere.

A form of the kale plant, Brassica oleracea acephala, used as the vegetable spring greens / collard greens.

the roundheaded apple borer (Saperda candida, syn. Saperda bivittata) / the flatheaded appletree borer (Chrysobothris femorata) / Synanthedon myopaeformis

A tool used for drilling. / A person who bores or drills; a person employed to drill bore holes. / A tedious person; a person who bores others; a bore. / An insect or insect larva that bores into wood.

Of, relating to, or coming from the north.

A hole bored into the ground to collect samples for analysis or to extract oil or water.