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Webster 1913 Edition

Abaculus

‖

A-bac′u-lus

(ȧb-ăk′ū̍-lŭs)

,

Noun.

;

pl.

Abaculi

(-lī)

.

[L., dim. of

abacus

.]

(Arch.)

A small tile of glass, marble, or other substance, of various colors, used in making ornamental patterns in mosaic pavements.

Fairholt.