MEANING: adverb: By memory; by heart.
adjective: Involving memorization.

ETYMOLOGY: From Latin memoriter (by memory), from memor (mindful). Earliest documented use: 1612.

MEMO WRITER - 1. the Boss, dictating to stenographer; 2. the stenographer, transcribing

MEMORY ITER - where Julius Caesar strolls when waxing nostalgiac

MEMO RATER - grader in the course on how to write business letters