Luscinia luscinia, a small passerine bird related to the common nightingale.

(Britain, informal, dated) Threepence (in pre- or post-decimalisation currency)

A well-directed or effective thrust; one that wounds in a vital part. / A personal attack.

plural of thruppence

(geology) A type of thrust fault, which does not appear on the surface, being completely hidden underneath ductile surface rock layers

(geology) A type of reverse fault in which the angle that the hanging wall makes with the horizontal is less than 45 degrees.

plural of thrush nightingale

plural of thrushling

A propulsive thruster located in an adjustable-azimuth mounting.

a propulsion unit mounted in or on the bow of a vehicle / (nautical) a sideways pointing thruster mounted in a tunnel in the bow or under the bow in a pod, for increased maneuverability