gantry (en)

(noun) a frame for supporting barrels / (noun) ; a frame structure raised on side supports so as to span over or around something; as / (noun) a platform made to carry a traveling crane and supported by towers or side frames running on parallel tracks / (noun) a movable structure with platforms at different levels used for erecting and servicing rockets before launching / (noun) a structure spanning several railroad tracks and displaying signals for each

linchpin (en)

(noun) a locking pin inserted crosswise (as through the end of an axle or shaft) / (noun) one that serves to hold together parts or elements that exist or function as a unit

lineament (en)

(noun) an outline, feature, or contour of a body or figure and especially of a face / (noun) a linear topographic feature (as of the earth) that reveals a characteristic (as a fault or the subsurface structure) / (noun) a distinguishing or characteristic feature

madrigal (en)

(noun) a medieval short lyrical poem in a strict poetic form / (noun) a complex polyphonic unaccompanied vocal piece on a secular text developed especially in the 16th and 17th centuries / (noun) part-song / (noun) glee

meristematic (en)

(noun) a formative plant tissue usually made up of small cells capable of dividing indefinitely and giving rise to similar cells or to cells that differentiate to produce the definitive tissues and organs

occiput (en)

(noun) the back part of the head or skull

vertiginous (en)

causing vertigo, especially by being extremely high or steep