gran·dam 
(grăndăm′, -dəm)
(grăndăm′, -dəm)n.
1. The female grandparent of an animal, especially a domesticated mammal such as a horse.
2. also gran·dame (-dām′, -däm, -dəm) Archaic
a. The mother of one's father or mother; a grandmother.
b. An old woman.
[Middle English grandame, from Old French dame-grant : dame, lady; see DAME + grand, grant, great; see GRAND.]
- interface
- interfacial
- interfacing
- interfaith
- interfere
- interference
- interference pattern
- interferential
- interferer
- interferingly
- interferometer
- interferometric
- interferometrically
- interferometry
- interferon
- interferon alpha
- interferon beta
- interferon gamma
- interfertile
- interfertility
- interfluve
- interfluvial
- intergalactic
- intergalactically
- intergenerational