iswas
iswas · iswases
A kind of hand-held slide rule used for predicting the location of a target based on…A kind of hand-held slide rule used for predicting the location of a target based on its current and recent positions.
Meaning
1 senses(historical, no plural, slang)A kind of hand-held slide rule used for predicting the location of a target based on its current and recent positions.
Origin
From is + was, i.e. for calculating where the target will be based on where it is and was.From is + was, i.e. for calculating where the target will be based on where it is and was.
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