What does Spire stand for?

Spire Corp. - Associated Press (SAG)

Skeletal Perspective Image (SAUS)

South Pacific Institute for Renewable Energy - Polynesia, Tahiti (BUAC)

Space Inertial Reference Equipment (SAUS)

Spatial & Spectral Infra-Red Experiment (SAUS)

Spatial Inertial Reference Equipment

Spatial Paradigm for Information Retrieval and Exploration - Computer science

Spectral and Photometric Imaging Receiver - One of the instruments on the ESA's Herschel Space Observatory