| Subject | Spanish | English |
| met. | alisador combado de escuadra con acuerdo | radiussed curved top edge sleeker |
| met. | alisador de escuadra combado | sharp angle curved top edge sleeker |
| met. | alisador recto de escuadra | sharp angle straight top edge sleeker |
| met. | alisador recto de escuadra con acuerdo | radiussed straight top edge sleeker |
| tech. | cizalla de escuadrar | squaring a number shears |
| gen. | corcho escuadrado | roughly squared cork |
| met. | corte a escuadra | square edge cut |
| tech., met. | defecto de escuadra de una hoja | angle defect of a sheet |
| tech., met. | defecto de escuadra del angular | defect in squareness of angles |
| met., mech.eng. | eclisa de escuadra | angle fishplate |
| mater.sc., industr., construct. | encoladora a escuadra | right-angle gluer |
| earth.sc. | escuadra de agrimensor | optical square |
| earth.sc. | escuadra de agrimensor | cross-staff |
| agric., mech.eng. | escuadra de carro | head block |
| IT, el. | escuadra de centrado | centring square |
| mech.eng. | escuadra de fijación | angle plate |
| life.sc. | escuadra de prisma doble | two-prism square |
| transp. | escuadra de recuperación | pick-up angle |
| transp., mech.eng. | escuadra de reenvío | mitre gear |
| transp., mech.eng. | escuadra de reenvío | bevel gear |
| life.sc., tech. | escuadra de reflexión | optical square |
| life.sc. | escuadra de reflexión | right angle prism |
| life.sc. | escuadra de transportar | plotting square |
| industr., construct. | escuadra de unión | corner plate |
| industr., construct. | escuadra de unión | angle bracket |
| transp. | escuadra mellada | notched angle |
| IT, el. | escuadra metálica plana | flat metal square |
| scient. | escuadra patrón | standard set square |
| transp. | escuadra plegada | bent section |
| transp. | escuadra topográfica | cross staff |
| life.sc., tech. | escuadra óptica | optical square |
| transp., tech. | escuadrado del bastidor | squaring of the frame |
| agric., industr., construct. | escuadrar por el raigal | to jump butt |
| agric., industr., construct. | escuadrar por el raigal | to butt-off |
| agric., industr., construct. | escuadrar por el raigal | to butt |
| construct. | escuadrar toscamente | to square roughly |
| gen. | escuadras de dibujo | drawing squares |
| gen. | escuadras metálicas construcción | brackets of metal for building |
| scient. | falsa escuadra | adjustable square |
| industr., construct., chem. | falsa escuadra | off-square |
| industr., construct., met. | falsa escuadra | out-of-square |
| industr., construct., met. | falsa escuadra de corte | out-of-square and |
| industr., construct., met. | falsa escuadra de corte | angular cut |
| industr., construct., met. | falsa escuadra de malla | out of square |
| met. | falta de escuadrado | out of squareness |
| met. | falta de escuadrado | deviation from perpendicular |
| agric., industr., construct. | falta de escuadrado | want |
| industr., construct. | hoja sin escuadrar | untrimmed sheet |
| transp. | juntas de carril a escuadra | opposite rail joints |
| mining. | mármoles brutos o escuadrados | marble including marble not further worked than roughly split |
| life.sc. | nivel de escuadra | level with set square and plumb line |
| agric., industr., construct. | sin escuadrar | waney-edged |
| agric., industr., construct. | sin escuadrar | unedged |
| agric., industr., construct. | sin escuadrar | round edged |
| IT | terminación a escuadra | right-angle termination |
| met. | tolerancia de escuadrado | deviation from perpendicular |
| met. | tolerancia de escuadrado | perpendicular tolerance |
